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Recent Longevity News for the seven days ending
7/24/13. You should consult your doctor if you are taking any medications.
Breastfed Children Are Less Likely to Develop ADHD Later in Life, Study Suggests
- Science Daily, 7/22/13 - "researchers compared
breastfeeding histories of children from six to 12 years of age at Schneider's
Children Medical Center in Israel ... children with ADHD were far less likely to
be breastfed in their first year of life
than the children in the other groups. At three months, only 43 percent of
children in the ADHD group were breastfed compared to 69 percent of the sibling
group and 73 percent of the control group. At six months, 29 percent of the ADHD
group was breastfed, compared to 50 percent of the sibling group and 57 percent
of the control group"
Skipping
Breakfast May Increase Coronary Heart Disease Risk - Science Daily, 7/22/12
- "Researchers analyzed food frequency questionnaire
data and tracked health outcomes for 16 years (1992-2008) on 26,902 male health
professionals ages 45-82. They found: ... Men who reported they skipped
breakfast had a 27 percent higher risk of heart
attack or death from coronary heart disease than those who reported they didn't
... Men who reported eating late at night (eating after going to bed) had a 55
percent higher coronary heart disease risk than those who didn't. But
researchers were less convinced this was a major public health concern because
few men in the study reported this behavior"
Vaccinating boys plays key role in HPV prevention - Science Daily, 7/22/13 -
"HPV has been linked to anal, penile and certain types
of throat cancers in men. Since the
virus is also responsible for various cancers in women, vaccinating boys aged 11
to 21 will play a crucial role in reducing cancer rates across the sexes ... HPV
is the single most common sexually transmitted infection"
Vitamin D Insufficiency
Prevalent in Psychiatric Patients - Medscape, 7/22/13 -
"Among the patients, 75% had
vitamin D levels lower than 30 ng/mL, generally
considered by groups, including the American College of Physicians, to represent
insufficiency ... Vitamin D insufficiency may be a causative factor in the
pathogenesis of mental illness through
interactions that affect cellular mechanisms, which eventually diverge into
different clinically observed phenotypes ... as many as 63% of patients with
insufficient vitamin D levels were not treated with supplementation ...
Physicians who work in those units should make sure vitamin D screening and
evaluation is part of routine evaluation of patients, not necessarily because it
may be causative of psychiatric symptoms but because there are a lot of
conditions that are associated with vitamin D deficiency — osteoporosis,
diabetes, and some other medical problems that are also relatively common in
patients with psychiatric illnesses" - See
vitamin D at Amazon.com.
Topical Agents for Hair
Growth Promotion - Medscape, 7/22/13 - "androgenetic
alopecia (AGA), i.e., male pattern hair loss
and female pattern hair loss ... Melantonin has long been known to modulate hair
growth. Animal testing has shown that melatonin
stimulates the anagen phase of hair growth.[23] In a double-blind, randomized,
placebocontrolled study 40 women with diffuse alopecia (n=28) or AGA (n=12) were
treated topically for 6 months with 1 ml daily of 0.1% melatonin-alcohol
solution versus vehicle. Trichograms were used to determine efficacy in the
frontal and occipital scalp areas. At the end of the study, the AGA group
demonstrated a statistically significant increase in anagen hairs in the occiput
region compared to placebo (mean 78 to 82 hairs), but no difference was shown
with placebo in the frontal area.[24] The group with diffuse alopecia showed a
substantial increase in frontal hair. Plasma melatonin levels were elevated
under treatment with melatonin, but did not exceed the physiological night peak"
- See
melatonin at Amazon.com.
Avoiding estrogen therapy led to deaths of nearly 50,000 women, study says | Fox
News - Fox News, 7/19/13 - "in a study published in
the American Journal of Public Health, researchers are arguing that
misconceptions about hormonal treatments also led women to reject estrogen-only
treatments, which have numerous health benefits including reduced mortality and
lower incidences of breast cancer and heart disease ... researchers estimated
that up to 48,835 women died prematurely between 2002 and 2011 because they
failed to use estrogen therapy treatments"
Eating
Eggs Is Not Linked to High Cholesterol in Adolescents, Study Suggests -
Science Daily, 7/19/13 - "the most recent research
suggests that increased serum cholesterol is
more affected by intake of saturated fats and trans fats -- present in red meat,
industrial baked goods, etc. -- than by the amount of cholesterol in the diet
... eating larger amounts of egg is neither linked
to higher serum cholesterol nor to worse cardiovascular health in adolescents,
regardless of their levels of physical activity ... The conclusions, published
in the journal Nutrición Hospitalaria, confirm recent studies in healthy adults
that suggest that an intake of up to seven eggs a week is not associated with an
increased risk of developing cardiovascular diseases ... a medium-size egg
contains 200 milligrams of cholesterol but has more unsaturated fats than
saturated fats and only has 70 calories"
Testosterone Produces Mixed
Results in Prostate Cancer Study - Medscape, 7/18/13 -
"In men with prostate
cancer, the use of transdermal
testosterone-replacement therapy (TRT) after radical prostatectomy produced
an increase in testosterone levels, but also had the undesirable effect of
increasing prostate-specific antigen (PSA) levels ... However, the use of TRT
did not appear to increase biochemical recurrence rates during follow-up, which
was a median of 27.5 months for treated men"
Too Little Vitamin D May Hasten Disability as You Age - WebMD, 7/17/13 -
"It's estimated that as many as 90 percent of
older people are
vitamin D-deficient ... Among participants aged 65 to 88, those with the
lowest vitamin D levels were 1.7 times as likely to have at least one physical
limitation as those with the highest vitamin D levels. Among participants aged
55 to 65, those with the lowest vitamin D levels were twice as likely to have at
least one physical limitation as those with the highest vitamin D levels"
- [Abstract]
- See
vitamin D at Amazon.com.
Vitamins
and minerals can boost energy and enhance mood - Science Daily, 7/16/13 -
"In a series of studies she recently conducted in
Canada, Kaplan found of the 97 adults with diagnosed mood disorders who kept a
three-day food record, a higher intake of vitamins and minerals were
significantly correlated with overall enhanced mental functioning ... Other
vitamins that have been known to enhance mood, said C.J. Geiger, Ph.D.,
president of Geiger & Associates, LLC, and research associate professor in the
division of nutrition at the University of Utah, include
5-Hydroxytryptophan (5 HTP), Vitamins B and D, as
well as ginkgo biloba and
Omega 3" - See
5-HTP products at Amazon.com
and
Ginkgo biloba at Amazon.com.
People
With Impaired Glucose Tolerance Can Show Cognitive Dysfunction -Science
Daily, 7/16/13 - "she examined 31 previous studies
regarding cognitive performance under various
dietary conditions. She found that the impaired
glucose tolerance group showed difficulties in 12 of 27 cognitive test
outcomes, including word recognition, visual verbal learning test, visual
spatial learning test, psychomotor test and Corsi block-tapping. The impaired
glucose tolerance group was made up of all middle-aged women who appeared to be
in general good health ... She pointed to a 2009 Japanese study of 129 people in
their 80s, 55 of whom had impaired glucose tolerance or Type 2 diabetes. All the
subjects in the study consumed more than 30 grams of dietary fiber per day and
exercised two to four times per week over a two-year period. Within that
timeframe, the 36 people with impaired glucose tolerance showed improvements in
delayed recall and block design tests. The Type 2 diabetes group showed
improvement in dementia, delayed recall and their mental state"
What are
fructooliogosaccharides and how do they provide digestive, immunity and bone
health benefits? - Science Daily, 7/16/13 - "Fructooliogosaccharides
are naturally found in chicory, onions, asparagus, wheat, tomatoes and other
fruits, vegetables and grains. They also can be derived from cane sugar and
seaweed for use as a low-calorie (1.5 -- 2 Kcal/g) food sweetener and
supplement. As scFOS provides approximately 30-to-50 percent of the sweetness of
regular sugar, it can be used to enhance flavor and lower the amount of sugar in
a food product ... In addition, scFOS are considered prebiotics. After they are
consumed, fructooliogosaccharides move to the large intestine to stimulate the
production of microbiota in the colon and gastrointestinal track ... The regular
addition of scFOS to the diet is "ideal for maintaining mineral density and
(bone) strength ... Most Americans, including many formula-fed infants and
children, do not get enough scFOS" - See
inulin at Amazon.com.
New Risk With ADT in
Prostate Cancer: Kidney Injury - Medscape, 7/16/13 -
"In the study of more than 10,000 men with prostate
cancer, the therapy, which has been tied to diabetes, heart disease, stroke,
and other conditions, was significantly associated with an increased risk for
acute kidney injury (AKI). This serious adverse event has a mortality rate of
50% ... ADT reduces testosterone levels, which leads to a hypogonadal condition
marked by metabolic changes such as dyslipidemia, hyperglycemia, and an increase
in fat mass"
Abstracts from this week's
Doctor's Guide Nutrition/Dietetics
plus abstracts from my RSS feeds (Click here
for the journals, the PubMed ones at the top):
Therapeutic
Potential of Turmeric in Alzheimer's Disease: Curcumin or Curcuminoids? -
Phytother Res. 2013 Jul 19 - "Alzheimer's
disease (AD) is the most common form of dementia. There is limited choice in
modern therapeutics, and drugs available have limited success with multiple side
effects in addition to high cost. Hence, newer and alternate treatment options
are being explored for effective and safer therapeutic targets to address AD.
Turmeric possesses multiple medicinal uses including treatment for AD.
Curcuminoids, a mixture of curcumin,
demethoxycurcumin, and bisdemethoxycurcumin, are vital constituents of turmeric.
It is generally believed that curcumin is the most important constituent of the
curcuminoid mixture that contributes to the pharmacological profile of parent
curcuminoid mixture or turmeric. A careful literature study reveals that the
other two constituents of the curcuminoid mixture also contribute significantly
to the effectiveness of curcuminoids in AD. Therefore, it is emphasized in this
review that each component of the curcuminoid mixture plays a distinct role in
making curcuminoid mixture useful in AD, and hence, the curcuminoid mixture
represents turmeric in its medicinal value better than curcumin alone" -
See curcumin products at Amazon.com.
A High-Salt
Diet Further Impairs Age-Associated Declines in Cognitive, Behavioral, and
Cardiovascular Functions in Male Fischer Brown Norway Rats - J Nutr. 2013
Jul 17 - "we tested the effect of high
salt (HS) on anxiety, learning-memory
function, and blood pressure (BP) in male Fischer brown Norway (FBN) rats.
Adult (A; 2 mo) and old (O; 20 mo) male rats were fed normal-salt (NS; 0.4%
NaCl) or HS (8% NaCl) diets for 4 wk after being implanted with telemeter probes
for conscious BP measurement. Thereafter, tests to assess anxiety-like behavior
and learning-memory were conducted. The rats were then killed, and samples of
plasma, urine, and brain tissue were collected. We found that systolic BP was
higher in O-NS (117 +/- 1.2 mm Hg) than in A-NS (105 +/- 0.8 mm Hg) rats (P <
0.05). Furthermore, BP was higher in O-HS (124 +/- 1.4 mm Hg) than in O-NS (117
+/- 1.2 mm Hg) rats (P < 0.05). Moreover, anxiety-like behavior (light-dark and
open-field tests) was not different between A-NS and O-NS rats but was greater
in O-HS rats than in A-NS, O-NS, or A-HS rats (P < 0.05). Short-term memory
(radial arm water maze test) was similar in A-NS and O-NS rats but was
significantly impaired in O-HS rats compared with A-NS, O-NS, or A-HS rats (P <
0.05). Furthermore, oxidative stress variables (in plasma, urine, and brain) as
well as corticosterone (plasma) were greater in O-HS rats when compared with
A-NS, O-NS, or A-HS rats (P < 0.05). The antioxidant enzyme glyoxalase-1
expression was selectively reduced in the hippocampus and amygdala of O-HS rats
compared with A-NS, O-NS, or A-HS rats (P < 0.05), whereas other antioxidant
enzymes, glutathione reductase 1, manganese superoxide dismutase (SOD), and
Cu/Zn SOD remained unchanged. We suggest that salt-sensitive hypertension and
behavioral derangement are associated with a redox imbalance in the brain of
aged FBN rats"
Consumption
of coffee, not green tea, is inversely associated with arterial stiffness in
Japanese men - Eur J Clin Nutr. 2013 Jul 17 - "540
eligible men who enrolled in the baseline survey of a cohort study in Tokushima
Prefecture, Japan ... Coffee consumption was
inversely associated with arterial
stiffness independent of known atherosclerotic risk factors, and this
association was partly mediated by reduced circulating triglycerides"
Olive oil
has a beneficial effect on impaired glucose regulation and other cardiometabolic
risk factors. Di@bet.es study - Eur J Clin Nutr. 2013 Jul 17 -
"A total of 4572 individuals aged 18 years in 100
clusters (health centers) were randomly selected with a probability proportional
to population size ... Around 90% of the Spanish population use olive oil, at
least for dressing, and slightly fewer for cooking or frying. The preference for
olive oil is related to age, educational level, alcohol intake, body mass index
and serum glucose, insulin and lipids. People who consume olive oil (vs
sunflower oil) had a lower risk of obesity (odds ratio (OR)=0.62 (95% confidence
interval (CI)=0.41-0.93, P=0.02)), impaired glucose regulation (OR=0.49 (95%
CI=0.28-0.86, P=0.04)), hypertriglyceridemia (OR=0.53 (95% CI=0.33-0.84,
P=0.03)) and low HDL cholesterol levels (OR=0.40 (95% CI=0.26-0.59, P=0.0001))"
Effects of
Metformin Dose on Cancer Risk Reduction in Patients with Type 2 Diabetes
Mellitus: A 6-Year Follow-up Study - Pharmacotherapy. 2013 Jul 17 -
"Longitudinal Health Insurance Database ... A total of
65,754 age- and gender-matched patients without diabetes and no previous cancer
diagnosis were extracted from the database ... Our results revealed
dose-dependent effects of metformin on
cancer risk and cancer onset times. A significant
decrease in cancer risk was found in the monotherapy group who received more
than 360 defined daily doses (DDDs) of metformin (hazard ratio [HR] 0.40, 95%
confidence interval [CI] 0.24-0.66). The greatest decrease in cancer risk was
observed in patients who took more than 1080 DDDs (HR 0.27, 95% CI 0.09-0.84).
Significantly greater dose-dependent effects were seen in patients who used
metformin in combination with other antidiabetic drugs" - See
metformin at The Antiaging Store.
The
protective effect of coffee consumption on cutaneous melanoma risk and the role
of GSTM1 and GSTT1 polymorphisms - Cancer Causes Control. 2013 Jul 17 -
"case-control study was conducted in the inpatient wards
of IDI-San Carlo Rome, Italy, including 304 incident cases of cutaneous
melanoma and 305 controls ... High frequency of
coffee drinking (>once daily), compared with
low-frequency consumption of coffee (≤7 times weekly) was associated with a
protective effect for cutaneous melanoma (OR 0.46"
Rosiglitazone and Outcomes for Patients with Diabetes and Coronary Artery
Disease in the Bypass Angioplasty Revascularization Investigation 2 Diabetes
(BARI 2D) Trial - Circulation. 2013 Jul 15 - "Bypass
Angioplasty Revascularization Investigation 2 Diabetes (BARI 2D) trial ... 4.5
yrs of follow-up ... After multivariable adjustment, among patients treated with
rosiglitazone,
mortality was similar (HR 0.83; 95% CI, 0.58 to 1.18) while there was a lower
adjusted incidence of composite death, MI, and stroke (hazard ratio (HR) 0.72;
95% confidence interval (CI), 0.55 to 0.93) and stroke (HR 0.36, 95% CI 0.16 to
0.86), and a higher incidence of fractures (HR 1.62, 95% CI 1.05 to 2.51); the
incidence of MI (HR 0.77; 95% CI, 0.54 to 1.10) and CHF (HR 1.22, 95%CI, 0.84 to
1.82) were not significantly different. Among propensity matched patients rates
of major ischemic cardiovascular events and CHF were not significantly
different"
Protective
effects of dietary carotenoids on risk of hip fracture in men: The Singapore
Chinese Health Study - J Bone Miner Res. 2013 Jul 16 -
"used data from the Singapore Chinese Health Study, a
prospective cohort of 63,257 men and women who were of ages 45-74 years between
1993 and 1998 ... validated food frequency questionnaire. During a mean
follow-up of 9.9 years, we identified 1,630
hip fracture incident cases. Among men, consumption of vegetables was
associated with lower hip fracture risk. Similarly, dietary total
carotenoids and specific carotenoids, α-, β-carotene and lutein/zeaxanthin
were inversely associated with hip fracture risk. Compared to men in the lowest
quartile of nutrient density, men in the highest quartile had statistically
significant 26% to 39% risk reduction ... There was no association between
dietary carotenoids or vegetables/fruits and hip fracture risk among women. This
study suggests that adequate intake of vegetables may reduce risk of
osteoporotic fractures among elderly men and that the antioxidant effects of
carotenoids may counteract the mechanism of osteoporosis related to leanness"
- See
Jarrow Formulas, CarotenALL at Amazon.com.
Curcumin I
Mediates Neuroprotective Effect Through Attenuation of Quinoprotein Formation,
p-p38 MAPK Expression, and Caspase-3 Activation in 6-Hydroxydopamine Treated
SH-SY5Y Cells - Phytother Res. 2013 Jul 16 -
"6-Hydroxydopamine (6-OHDA) selectively enters dopaminergic neurons and
undergoes auto-oxidation resulting in the generation of reactive oxygen species
and dopamine quinones, subsequently leading to apoptosis. This mechanism mimics
the pathogenesis of Parkinson's disease and
has been used to induce experimental Parkinsonism in both in vitro and in vivo
systems ... curcumin I (diferuloylmethane) purified from
Curcuma longa ... Our results clearly
demonstrated that curcumin I protects neurons against oxidative damage, as shown
by attenuation of p-p38 expression, caspase-3-activation, and toxic quinoprotein
formation, together with the restoration of p-TH levels. This study provides
evidence for the therapeutic potential of curcumin I in the chemoprevention of
oxidative stress-related neurodegeneration" - See
curcumin products at Amazon.com.
Quercetin
Protects Mouse Brain against Lead-induced Neurotoxicity - J Agric Food Chem.
2013 Jul 15 - "Mice were exposed to lead acetate (20
mg/kg body weight/day) intragastrically with or without
QE (15 and 30 mg/kg body weight/day)
co-administration for three months. Our data showed that QE significantly
prevented Pb-induced neurotoxicity in a dose-dependent manner. In exploring the
underlying mechanisms of QE action, we found QE administration decreased Pb
contents in blood (13.2%, 19.1%) and brain (17.1%, 20.0%). QE markedly increased
NO production (39.1%, 61.1%) and PKA
activity (51.0%, 57.8%) in brains of Pb-treated mice. Additionally, QE
remarkably suppressed Pb-induced oxidative stress in mouse brain. Western blot
analysis showed that QE increased the phosphorylations of Akt, CaMKII nNOS, eNOS
and CREB in brains of Pb-treated mice" - See
quercetin at Amazon.com.
Health Focus (Omega-3):
News & Research:
-
Specific Fish Oils May
Protect Against Breast Cancer - Medscape, 6/27/13 - "The
consumption of higher levels of dietary marine n-3 polyunsaturated fatty acids
(PUFAs) is associated with a 14% lower risk for breast cancer than lower levels
of consumption ... They found that marine n-3 PUFAs were associated with a 14%
reduction in the risk for breast cancer (relative risk [RR] for highest vs
lowest intake, 0.86) ... no significant association was observed for exposure to
alpha linolenic acid (ALA), which is contained in some nuts and in vegetable
oils. About half of the studies in the meta-analysis contained data on ALA. Both
ALA and n-3 PUFAs are types of omega-3 fatty acids" - [Science
Daily] -
See
Mega Twin EPA at Amazon.com
and
Jarrow Max DHA at Amazon.com.
-
Could a
Diet High in Fish and Flax Help Prevent Broken Hips? - Science Daily,
6/27/13 - "The study showed that higher levels of
omega-3 fatty acids from both plant and fish sources in those blood cells were
associated with a lower likelihood of having fractured a hip ... The study also
showed that as the ratio of omega-6 fatty acids to omega-3s increased, so did
the risk for hip fracture ... Inflammation is associated with an increased risk
of bone loss and fractures, and omega-3 fatty acids are believed to reduce
inflammation ... omega-3 fatty acids have anti-inflammatory properties and
omega-6 fatty acids seem to have both anti- and pro-inflammatory effects ...
women who had the highest ratio of omega-6 to omega-3 fatty acids had nearly
twice the risk of hip fractures compared to women with the lowest ratios. The
current typical American diet contains between 15 and 17 times more omega-6 than
omega-3, a ratio that previous research has suggested should be lowered to
4-to-1, or even 2-to-1, by increasing omega-3s, to improve overall health. The
primary omega-6 fatty acid in the diet is linoleic acid, which composes about 99
percent of Americans' omega-6 intake and is found in corn, soybean, safflower
and sunflower oils"
-
Marine n-3 Polyunsaturated
Fatty Acids - Medscape, 6/11/13 - "Sarcopenia is the
age-related loss of muscle mass that results in a reduction in skeletal muscle
function, quality of life and an increased risk of falls. Older muscle has an
'anabolic resistance' to both nutrients and exercise, with the precise
underlying mechanism still to be elucidated. The n-3 polyunsaturated fatty acids
found in fish oil can be incorporated into the membranes of skeletal muscles,
where they may have anti-inflammatory effects. This alteration in muscle
membrane fatty acid composition may have anabolic effects in aging muscle and,
thus, be useful in the treatment of sarcopenia ... The current data presented
suggest that n-3 PUFAs may be of benefit in the treatment of sarcopenia"
-
Omega-3
fatty acids may help heal a broken heart - Science Daily, 5/30/13 -
"The potency of these compounds corresponds to
concentrations that have been measured in the blood of human subjects taking
high dose fish oil supplements for short periods of time. In rabbits,
researchers treated the artery with RvD at the time of the balloon angioplasty
procedure by infusing the drug directly into the vessel, and found that this
one-time treatment reduced inflammation and subsequent scarring of the vessel
after one month"
-
Fish Oil
Supplements May Help Fight Against Type 2 Diabetes - Science Daily, 5/22/13
- "Fish oil supplements, also called omega 3 fatty acid
capsules, raise levels of adiponectin in the bloodstream. Adiponectin is an
important hormone that has beneficial effects on metabolic processes like
glucose regulation and the modulation of inflammation. In long-term human
studies, higher levels of adiponectin are associated with lower risks of type 2
diabetes and coronary heart disease ... The meta-analysis reviewed and analyzed
results from 14 randomized, placebo-controlled clinical trials"
-
Fish oil
may help the heart beat mental stress - Science Daily, 5/22/13 -
"volunteers who took fish oil supplements for several
weeks had a blunted response to mental stress in several measurements of
cardiovascular health, including heart rate and muscle sympathetic nerve
activity (MSNA), part of the "fight or flight" response, compared to volunteers
who took olive oil instead. The results may explain why taking fish oil could be
beneficial to the heart and might eventually help doctors prevent heart disease
in select populations"
-
Fish oil
may stall effects of junk food on brain - Science Daily, 5/14/13 -
"high-fat diets could disrupt neurogenesis, a process
that generates new nerve cells, but diets rich in omega-3s could prevent these
negative effects by stimulating the area of the brain that control feeding,
learning and memory ... Excessive intake of certain macronutrients, the refined
sugars and saturated fats found in junk food, can lead to weight gain, disrupt
metabolism and even affect mental processing ... These changes can be seen in
the brain's structure, including its ability to generate new nerve cells,
potentially linking obesity to neurodegenerative diseases ... omega-3 fish oils
can reverse or even prevent these effects ... omega-3s restore normal function
by interfering with the production of these inflammatory molecules, suppressing
triglycerides, and returning these nerve growth factors to normal ... Fish oils
don't appear to have a direct impact on weight loss, but they may take the
brakes off the detrimental effects of some of the processes triggered in the
brain by high-fat diets. They seem to mimic the effects of calorie restrictive
diets and including more oily fish or fish oil supplements in our diets could
certainly be a positive step forward for those wanting to improve their general
health"
-
Eating
fish associated with lower risk of dying among older adults: Risk of dying from
heart disease significantly lowered - Science Daily, 4/1/13 -
"Older adults who have higher blood levels of omega-3
fatty acids -- found in fatty fish and seafood -- may be able to lower their
overall mortality risk by as much as 27% and their mortality risk from heart
disease by about 35% ... older adults who had the highest blood levels of the
fatty acids found in fish lived, on average, 2.2 years longer than those with
lower levels ... The researchers examined 16 years of data from about 2,700 U.S.
adults aged 65 or older who participated in the Cardiovascular Health Study
(CHS), a long-term study supported by the National Heart, Lung, and Blood
Institute ... One type in particular -- docosahexaenoic acid, or DHA -- was most
strongly related to lower risk of coronary heart disease (CHD) death (40% lower
risk), especially CHD death due to arrhythmias (electrical disturbances of the
heart rhythm) (45% lower risk). Of the other blood fatty acids measured --
eicosapentaenoic acid (EPA) and docosapentaenoic acid (DPA) -- DPA was most
strongly associated with lower risk of stroke death, and EPA most strongly
linked with lower risk of nonfatal heart attack"
-
High Intake
of Dietary Long-Chain ω-3 Fatty Acids Is Associated With Lower Blood Pressure in
Children Born With Low Birth Weight: NHANES 2003-2008 - Hypertension. 2013
Mar 4 - "Reduced fetal growth is associated with
increased systolic blood pressure ... In the 354 participants with reduced birth
weight, when compared with children with the lowest tertile of intake, those who
had the highest tertile of dietary eicosapentaenoic acid and docosahexaenoic
acid intake had significantly lower systolic blood pressure (-4.9 mm Hg [95%
confidence interval, -9.7 to -0.1]) and pulse pressure (-7.7 mm Hg [95%
confidence interval, -15.0 to -0.4])" - See
Mega Twin EPA at Amazon.com
and
Jarrow Max DHA at Amazon.com.
-
Taking
omega-3 supplements may help prevent skin cancer, new study finds - Science
Daily, 2/26/13 - "the study analysed the effect of
taking omega-3 on 79 healthy volunteers ... taking a regular dose of fish oils
boosted skin immunity to sunlight. Specifically, it also reduced
sunlight-induced suppression of the immune system, known as immunosuppression,
which affects the body's ability to fight skin cancer and infection ... it was
the first time the research had been carried out on humans"
-
Omega-3s
inhibit breast cancer tumor growth, study finds - Science Daily, 2/21/13 -
"A lifelong diet rich in omega-3 fatty acids can inhibit
growth of breast cancer tumours by 30 per cent ... the researchers created a
novel transgenic mouse that both produces omega-3 fatty acids and develops
aggressive mammary tumours. The team compared those animals to mice genetically
engineered only to develop the same tumours ... Mice producing omega-3s
developed only two-thirds as many tumours -- and tumours were also 30-per-cent
smaller -- as compared to the control mice"
-
Fish oil
may protect dialysis patients from sudden cardiac death - Science Daily,
2/6/13 - "We found that higher levels of omega-3 fatty
acids in the blood of patients who were just starting hemodialysis were very
strongly associated with a lower risk of sudden cardiac death over the first
year of their treatment ... The five-year survival rate for patients on
hemodialysis is 35 percent, with the risk of death highest in the first few
months of starting treatment. The most common cause of death in these patients
is sudden cardiac death, which accounts for about one out of every four deaths"
-
Omega-3-Rich Ground Beef Available Soon - Science Daily, 2/4/13 -
"The U.S. currently does not have a recommended daily
intake of omega-3s, though many doctors and nutritionists recommend between
1,200-1,600 milligrams daily ... A quarter-pound hamburger made of the enriched
ground beef has 200 milligrams of omega-3s" - See
Mega Twin EPA at Amazon.com
which has 765 milligrams of omega-3 in one capsule. So you'd have to eat
3.825 hamburgers to get the omega-3 in one capsule. At 330 calories per
hamburger, that's 1262 calories compared to 10 calories for the capsule.
-
Limiting
Polyunsaturated Fatty Acid Levels in Pregnancy May Influence Body Fat of
Children - Science Daily, 1/10/13 - "mothers who
have higher levels of n-6 polyunsaturated fatty acids (PUFAs), which are found
in cooking oils and nuts, during pregnancy have fatter children ... assessed the
fat and muscle mass of 293 boys and girls at four and six years, who are part of
the Southampton Women's Survey (SWS), a large prospective mother-offspring
cohort ... the higher the level of n-3 the less fat and more muscle and bone in
the baby ... This could suggest that a pregnancy supplementation strategy would
be beneficial"
-
Association Between
use of Specialty Dietary Supplements and C-Reactive Protein Concentrations -
Medscape, 12/28/12 - "In summary, this study adds
support to laboratory research and to some human studies which suggest that
glucosamine, chondroitin, and fish oil may reduce systemic inflammation. In
doing so, this study adds biologic plausibility to previous studies which have
shown beneficial effects of these supplements on chronic diseases. Given the
number of diseases with which inflammation is associated, such as cancer and
cardiovascular disease, there is a need to find safe and effective ways to
reduce inflammation. Research suggests that these 3 supplements have excellent
safety profiles, [88–92] supporting their potential role in disease prevention"
- See
glucosamine products at Amazon.com,
chondroitin sulfate at Amazon.com,
Mega Twin EPA at Amazon.com
and
Jarrow Max DHA at Amazon.com.
-
Glucosamine,
Chondroitin, Fish Oil May Reduce Inflammation - Medscape, 11/27/12 -
"Inflammation is now recognized as a factor in cancer
and cardiovascular disease as well as many rheumatoid diseases ... the
researchers found hs-CRP reductions of 17% (95% confidence interval [CI], 7% -
26%) with glucosamine, 22% (95% CI, 8% - 33%) with chondroitin, and 16% (95% CI,
0.3% - 29%) with fish oil compared with participants who did not take the
supplements"
-
Eating
more fish could reduce postpartum depression - Science Daily, 11/15/12 -
"Low levels of omega-3 may be behind postpartum
depression ... Because omega-3 is transferred from the mother to her fetus and
later to her breastfeeding infant, maternal omega-3 levels decrease during
pregnancy, and remain lowered for at least six-weeks following the birth"
- See
Mega Twin EPA at Amazon.com
and
Jarrow Max DHA at Amazon.com.
-
Omega-3
intake heightens working memory in healthy young adults - Science Daily,
10/25/12 - "In the first study of its kind, researchers
at the University of Pittsburgh have determined that healthy young adults ages
18-25 can improve their working memory even further by increasing their Omega-3
fatty acid intake ... After six months of taking Lovaza -- an Omega-3 supplement
approved by the Federal Drug Administration -- the participants were asked to
complete this series of outpatient procedures again. It was during this last
stage, during the working memory test and blood sampling, that the improved
working memory of this population was revealed" - See
Mega Twin EPA at Amazon.com
and
Jarrow Max DHA at Amazon.com
and
probiotic products at Amazon.com.
-
New link
between high-fat 'Western' diet and atherosclerosis identified - Science
Daily, 10/8/12 - "endothelial lipase (EL), an enzyme
associated with the development of atherosclerosis ... In the current study, a
strain of mice susceptible to atherosclerosis was fed a normal diet enriched
with either palmitic acid (a common saturated fat) or eicosapentaenoic acid (an
omega-3 fatty acid, or polyunsaturated fat, found in fish oil, among other
foods). After 12 weeks, the mice's aortas were examined for changes in the
expression of EL and inflammatory factors. Aortas of mice fed the saturated fat
diet showed a significant increase in EL and detrimental changes in inflammatory
factors, while those of mice fed the polyunsaturated fat diet showed a
significant decrease in EL and beneficial changes in inflammatory factors ...
when the macrophages were given rosiglitazone, the expression of EL increased
markedly. The addition of omega-3 fatty acids to the cells blocked this
increase. "This would suggest that besides raising LDL cholesterol levels,
rosiglitazone can raise the risk of cardiovascular disease by increasing EL,""
-
Prenatal
mercury exposure may be linked to risk of ADHD-related behaviors; Fish
consumption may be linked to lower risk - Science Daily, 10/8/12 -
"Nonoccupational methylmercury exposure comes primarily
from eating fish, and the U.S. Environmental Protection Agency and the U.S. Food
and Drug Administration have recommended pregnant women limit their total fish
intake to no more than two, six-ounce servings per week. However, fish is also a
source of nutrients, such as omega-3 fatty acids, which have been shown to
benefit brain development, potentially confounding mercury-related risk
estimates ... analyzed data from the New Bedford birth cohort, a group of
infants born between 1993 and 1998, to investigate the association of peripartum
maternal hair mercury levels (n=421) and prenatal fish intake (n=515) with
ADHD-related behaviors at age 8 years ... In this population-based prospective
cohort study, hair mercury levels were consistently associated with ADHD-related
behaviors, including inattention and hyperactivity/impulsivity. We also found
that higher prenatal fish consumption was protective for these behaviors"
-
Omega-3
supplements may slow a biological effect of aging - Science Daily, 10/1/12 -
"In the study, lengthening of telomeres in immune system
cells was more prevalent in people who substantially improved the ratio of
omega-3s to other fatty acids in their diet ... Omega-3 supplementation also
reduced oxidative stress, caused by excessive free radicals in the blood, by
about 15 percent compared to effects seen in the placebo group ... Study
participants took either 2.5 grams or 1.25 grams of active omega-3
polyunsaturated fatty acids ... The supplements were calibrated to contain a
ratio of the two cold-water fish oil fatty acids, eicosapentaenoic acid (EPA)
and docosahexaenoic acid (DHA), of seven to one ... the typical American diet
tends to be heavy on omega-6 fatty acids and comparatively low in omega-3s that
are naturally found in cold-water fish such as salmon and tuna. While the ratio
of omega-6 to omega-3 fatty acids averages about 15-to-1, researchers tend to
agree that for maximum benefit, this ratio should be lowered to 4-to-1, or even
2-to-1 ... when the researchers analyzed the participants' omega-6 to omega-3
ratio in relationship to telomere lengthening, a lower ratio was clearly
associated with lengthened telomeres ... omega-3 supplements lowered IL-6 by 10
to 12 percent, depending on the dose. By comparison, those taking a placebo saw
an overall 36 percent increase in IL-6 by the end of the study ... This finding
strongly suggests that inflammation is what's driving the changes in the
telomeres"
-
Omega-3
lowers inflammation in overweight older adults - Science Daily, 6/21/12 -
"Chronic inflammation is linked to numerous conditions,
including coronary heart disease, Type 2 diabetes, arthritis and Alzheimer's
disease, as well as the frailty and functional decline that can accompany aging
... Participants received either a placebo or one of two different doses of
omega-3 fatty acids -- either 2.5 grams or 1.25 grams per day ... After four
months, participants who had taken the omega-3 supplements had significantly
lower levels in their blood of two proteins that are markers of inflammation,
also called pro-inflammatory cytokines. The low-dose group showed an average 10
percent decrease in the cytokine interleukin-6 (IL-6), and the high-dose group's
overall IL-6 dropped by 12 percent. In comparison, those taking a placebo saw an
overall 36 percent increase in IL-6 by the end of the study ... The current
typical American diet contains between 15 and 17 times more omega-6 than
omega-3, a ratio that researchers suggest should be lowered to 4-to-1, or even
2-to-1, to improve overall health"
-
Omega-3 Heart
Trial Fails the Test - vitalchoice.com, 6/15/12 -
"Authors acknowledge their study's limitations and flaws ..."
-
Why
omega-3 oils help at the cellular level - Science Daily, 5/15/12 -
"The scientists fed mouse macrophages -- a kind of white
blood cell -- three different kinds of fatty acid: eicosapentaenoic acid (EPA),
docosahexaenoic acid (DHA) and arachidonic acid (AA). EPA and DHA are major
polyunsaturated omega-3 fatty acids, essential to a broad range of cellular and
bodily functions, and the primary ingredient in commercial fish oil dietary
supplements. AA is a polyunsaturated omega-6 fatty acid prevalent in the human
diet ... They discovered that omega-3 fatty acids inhibit an enzyme called
cyclooxygenase (COX), which produces the prostaglandin hormones that spark
inflammation. The action is similar to what happens when one takes an aspirin,
which disrupts the COX-2 signaling pathway, thus reducing inflammation and pain
... On the other hand ... omega-3 oils do not inhibit another group of enzymes
called lipoxygenases (LOX), which are also produced by stimulated macrophages.
One type of generated LOX enzyme in turn produces fat-signaling molecules called
leukotrienes, which are pro-inflammatory. But Norris noted that LOX enzymes may
also generate anti-inflammatory compounds called resolvins from EPA and DHA"
-
Nutrition: More Omega-3, Less of a Suspect Protein - NYTimes.com, 5/7/12 -
"Amyloid plaques and tangles in the brain are
characteristic of Alzheimer’s disease and are known to increase the risk for
mental decline ... higher levels of omega-3 intake were associated with
significantly lower beta-amyloid blood levels"
-
Eating
fish, chicken, nuts may lower risk of Alzheimer's disease - Science Daily,
5/2/12 - "A new study suggests that eating foods that
contain omega-3 fatty acids, such as fish, chicken, salad dressing and nuts, may
be associated with lower blood levels of a protein related to Alzheimer's
disease and memory problems ... 1,219 people older than age 65, free of
dementia, provided information about their diet for an average of 1.2 years
before their blood was tested for the beta-amyloid. Researchers looked
specifically at 10 nutrients, including saturated fatty acids, omega-3 and
omega-6 polyunsaturated fatty acids, mono-unsaturated fatty acid, vitamin E,
vitamin C, beta-carotene, vitamin B12, folate and vitamin D ... the more omega-3
fatty acids a person took in, the lower their blood beta-amyloid levels.
Consuming one gram of omega-3 per day (equal to approximately half a fillet of
salmon per week) more than the average omega-3 consumed by people in the study
is associated with 20 to 30 percent lower blood beta-amyloid levels ... Other
nutrients were not associated with plasma beta-amyloid levels" - See
Mega Twin EPA at Amazon.com
and
Jarrow Max DHA at Amazon.com.
-
Fish oil
added to yogurt may help consumers meet daily nutritional requirements -
Science Daily, 3/28/12 - "In a preliminary study,
tasters could not differentiate between low levels of fish and butter oils in
unflavored yogurt, but they could discern yogurt flavored with oxidized fish
oil, which has a strong fishy taste" - Hmmm!!! Fish flavored and chili
and lime flavored yogurt. Try selling that idea. I'll stick to my fish oil
capsules.
-
Fatty
diets may be associated with reduced semen quality - Science Daily, 3/14/12
- "The study of 99 men in the USA found an association
between a high total fat intake and lower total sperm count and concentration.
It also found that men who ate more omega-3 polyunsaturated fats (the type of
fat often found in fish and plant oils) had better formed sperm than men who ate
less ... if men make changes to their diets so as to reduce the amount of
saturated fat they eat and increase their omega-3 intake, then this may not only
improve their general health, but could improve their reproductive health too
... the relationship between dietary fats and semen quality was largely driven
by the consumption of saturated fats. Men consuming the most saturated fats had
a 35% lower total sperm count than men eating the least, and a 38% lower sperm
concentration"
-
Omega-3 reduces inflammatory marker to offer ‘multiple’ health benefits -
Nutra USA, 3/2/12 - "The first of the two new studies
... indicated that omega-3 supplements were associated with reduced levels of
sICAM-1, which may contribute to a decrease in the risk of atherosclerosis ...
The second study ... indicated that increased levels of omega-3 may counteract
the pro-carcinogenic action of sICAM-1" - [Abstract]
[Abstract]
-
Omega-3 Fatty Acids Help Brain Age Better - WebMD, 2/27/12 -
"the results suggest diets lacking in omega-3 fatty
acids may cause the brain to age faster ... people whose DHA levels were in the
bottom 25% of the group had lower brain volumes compared with people with higher
DHA levels ... In addition, people with both low DHA and all the other omega-3
fatty acid levels scored lower on tests of visual memory, processing, and
abstract thinking ... Researchers say the results suggest that low DHA and other
omega-3 fatty acid levels are associated with a pattern of memory and brain
function problems even in people free of dementia"
-
Omega-3s linked to slower eye sight loss in people with retinal disease: Study
- Nutra USA, 2/14/12 - "people with the condition who
consume at least 0.2 grams per day of omega-3 fatty acids have a 40% slower
average annual rate of decline in distance visual acuity, compared with people
with lower intakes"
-
Study to
determine whether fish oil can help prevent psychiatric disorders - Science
Daily, 2/8/12 - "Researchers at Zucker Hillside
Hospital's Recognition and Prevention (RAP) Program who have worked with
teenagers at risk for serious mental illness for the past decade are now
studying the effectiveness of Omega 3 fatty acids (fish oil) for treating
psychiatric symptoms ... Of the 300 adolescents who have participated in the RAP
Program, most have shown substantial improvement"
-
Maternal omega-3 reduces eczema risk in children: Study - Nutra USA, 1/31/12
- "children whose mothers had consumed omega-3 daily had
36% less risk of developing eczema, a 38% reduction in the chance of being
sensitised to egg, and 50% less chance of having egg allergy"
-
Omega-3 may enhance benefits of strength training for the elderly - Nutra
USA, 1/6/12 - "fish oil may be an attractive supplement
for the elderly to maximize their neuromuscular responses to strength training,
which is important to life quality" - [Abstract]
-
Healthy oil components may fight pancreatitis - Nutra USA, 1/3/12 -
"They found that the oleic acid and hydroxytyrosol –
both of which are present in a particularly high concentration in virgin olive
oil and omega-3 polyunsaturated fatty acids – offered protection from
inflammatory damage from induced pancreatitis in pancreatic cells"
-
Alzheimer's: Diet patterns may keep brain from shrinking - Science Daily,
12/29/11 - "People with diets high in several vitamins
or in omega 3 fatty acids are less likely to have the brain shrinkage associated
with Alzheimer's disease than people whose diets are not high in those nutrients
... Those with diets high in omega 3 fatty acids and in vitamins C, D, E and the
B vitamins also had higher scores on mental thinking tests than people with
diets low in those nutrients ... people with diets high in trans fats were more
likely to have brain shrinkage and lower scores on the thinking and memory tests
than people with diets low in trans fats"
-
Possible
cure for leukemia found in fish oil - Science Daily, 12/22/11 -
"The compound -- delta-12-protaglandin J3, or D12-PGJ3
-- targeted and killed the stem cells of chronic myelogenous leukemia, or CML,
in mice ... The compound is produced from EPA -- Eicosapentaenoic Acid -- an
Omega-3 fatty acid found in fish and in fish oil ... During the experiments, the
researchers injected each mouse with about 600 nanograms of D12-PGJ3 each day
for a week. Tests showed that the mice were completely cured of the disease. The
blood count was normal, and the spleen returned to normal size. The disease did
not relapse ... The researchers focused on D12-PGJ3 because it killed the
leukemia stem cells, but had the least number of side effects"
-
Some Fish Oil Supplements Fishy on Quality - WebMD, 12/7/11 -
"None of the fish oil supplements contained
contaminants, such as lead, mercury, or PCBs, that exceeded levels set by USP or
the European Union ... the total PCB amounts in four brands (CVS Natural, GNC
Triple Organic, Nature’s Bounty Odorless, and Sundown Naturals) were below the
USP safe limit but within the range that would require a warning label under
California’s Proposition 65, 90 parts per billion ... For the report, the
consumer agency purchased three lots of 15 different top-selling brands of fish
oil supplements online and in the New York metropolitan area ... Two of the
three samples of Kirkland Signature Enteric 1200 fish oil supplements had an
enteric coating (designed to prevent a fishy aftertaste) that did not
disintegrate properly. The coating may break up in the stomach rather than in
the small intestine, as desired for proper absorption by the body" -
Note: So those bargains at Costco may not be such a bargain if they aren't
absorbed.
-
Young
women may reduce heart disease risk eating fish with omega 3 fatty acids, study
finds - Science Daily, 12/5/11 - "In the first
population-based study in women of childbearing age, those who rarely or never
ate fish had 50 percent more cardiovascular problems over eight years than those
who ate fish regularly. Compared to women who ate fish high in omega-3 weekly,
the risk was 90 percent higher for those who rarely or never ate fish ... Fish
oil contains long chain omega-3 polyunsaturated fatty acids, which are believed
to protect against heart and vascular disease. Few women in the study took fish
oil supplements, so these were excluded from the analyses and the results were
based on the dietary intake of omega-3 fatty acids, not intake from supplements"
-
Eating
fish can reduce the risk of diabetes - Science Daily, 11/11/11 -
"the consumption of fish is associated with a decreased
prevalence of diabetes and lower glucose concentrations whereas the consumption
of red meat, especially cured meats is related to increased weight gain and
obesity ... Eating red meat in excess is linked to higher cardiovascular risk,
higher blood pressure, diabetes and a moderate decrease in life expectancy
mainly due to cancer or heart disease. In contrast, fish appears in the
Mediterranean diet and has health benefits for the heart"
-
You are
what you eat: Low fat diet with fish oil slows growth of human prostate cancer
cells, study suggests - Science Daily, 10/25/11 -
"Men who ate a low-fat diet with fish oil supplements for four to six weeks
before having their prostate removed had slower cancer-cell growth in their
prostate tissue than men who ate a traditional, high-fat Western diet ... The
short-term study also found that blood obtained from patients after the low-fat,
fish oil diet slowed the growth of prostate cancer cells in a test tube, while
blood from men on the Western diet did not slow cancer growth ... Preclinical
studies suggest that lowering dietary omega-6 fatty acids from corn oil and
increasing omega-3 fatty acids from fish oil decreases the risk of prostate
cancer development and progression," the study states. "We found this diet
intervention resulted in a decrease in omega-6 vs. omega-3 fatty acid ratios in
benign and malignant prostate tissue and a decrease in malignant cell
proliferation"
-
Boosting
mental performance with fish oil? - Science Daily, 10/21/11 -
"overall, taking either of two different types of fish
oil supplement for three months had no consistent impact on mental function in
18 -- 35-year-olds, however they did find evidence of reduced mental fatigue and
faster reaction times. Contrary to popular belief, these results suggest that
taking omega-3 or fish oil supplements may not have an immediate or measureable
impact on mental performance in healthy young adults, possibly due to the fact
that this population is already performing at its mental peak or that higher
doses or longer than 12 weeks supplementation are required ... Interestingly, in
the second of these studies it was found that taking DHA-rich fish oil over the
same time period did increase blood flow to active areas of the brain during
performance of similar mental tasks. The researchers claim these findings could
have implications for mental function later on in life, as evidence suggests
regularly eating oily fish or taking omega-3 supplements may prevent cognitive
decline and dementia, and increased blood flow to the brain may be a mechanism
by which this occurs"
-
Omega-3
fatty acids shown to prevent or slow progression of osteoarthritis - Science
Daily, 10/17/11 - "New research has shown for the first
time that omega-3 in fish oil could "substantially and significantly" reduce the
signs and symptoms of osteoarthritis ... omega-3-rich diets fed to guinea pigs,
which naturally develop osteoarthritis, reduced disease by 50 per cent compared
to a standard diet ... Furthermore, there was strong evidence that omega-3
influences the biochemistry of the disease, and therefore not only helps prevent
disease, but also slows its progression, potentially controlling established
osteoarthritis ... The only way of being certain that the effects of omega-3 are
as applicable to humans as demonstrated in guinea pigs is to apply omega-3 to
humans. However, osteoarthritis in guinea pigs is perhaps the most appropriate
model for spontaneous, naturally occurring osteoarthritis, and all of the
evidence supports the use of omega-3 in human disease ... Most diets in the
developed world are lacking in omega-3, with modern diets having up to 30 times
too much omega-6 and too little omega-3. Taking omega-3 will help redress this
imbalance and may positively contribute to a range of other health problems such
as heart disease and colitis"
-
Omega-3 may ease depression symptoms, slash dementia risk: RCT - Nutra USA,
9/23/11 - "recruited 50 people over the age of 65 to
participate in their six-month double-blind, randomized controlled trial ...
Participants received daily supplements of EPA- or DHA-rich fish oil, or the
omega-6 linoleic acid (LA, 2.2 grams per day). The EPA-rich supplement provided
1.67 grams of EPA and 0.16 grams of DHA, while the DHA-rich supplement provided
1.55 grams of DHA and 0.40 grams of EPA ... compared with the group receiving
the LA supplements, the EPA-rich supplement group displayed higher scores on the
Geriatric Depression Scale ... On the other hand, the DHA group displayed
improvements in verbal fluency ... These results indicate that DHA-rich and
EPA-rich fish oils may be effective for depressive symptoms and health
parameters, exerting variable effects on cognitive and physical outcomes"
- [Abstract]
-
Omega-3 supplements show benefits against anxiety: Human data - Nutra USA,
9/14/11 - "the Ohio State researchers recruited 68
medical students to participate in their parallel group, placebo-controlled,
double-blind trial. The med students were given either placebo capsules or
omega-3 capsules containing 2085 mg of EPA (eicosapentaenoic acid) and 348 mg
DHA (docosahexanoic acid) ... Results showed a 14% reduction in levels of the
production of pro-inflammatory interleukin 6 (IL-6), as well as a 20% reduction
in anxiety symptoms in the omega-3 group, compared to the placebo group ...
Proinflammatory cytokines promote secretion of corticotropin-releasing hormone
(CRH), a primary gateway to hormonal stress responses; CRH also stimulates the
amygdala, a key brain region for fear and anxiety. Accordingly, alterations in
inflammation could also influence anxiety" - [Abstract]
- See
Mega Twin EPA at Amazon.com
and
Jarrow Max DHA at Amazon.com.
Note: CRH increases cortisol. See:
-
Maternal omega-3 intake may influence childhood allergy - Nutra USA, 9/12/11
- "Omega-3 fatty acids may aid the development of the
infant gut and improve how gut immune cells respond to bacteria and foreign
substances, making the baby less likely to suffer from allergies in the long
term, according to new research in pigs ... These findings suggest that feeding
fatty acids of the omega-3 family during pregnancy and lactation impact newborn
intestinal barrier function ... such changes “are likely to reduce the risk of
developing allergies in later life" ... The end result is that the baby's immune
system may develop and mature faster – leading to better immune function and
less likelihood of suffering allergies ... the pig intestine is an excellent
model of the human gut, however, so they are hopeful that the findings can be
extrapolated" - [Abstract]
-
Omega-3 Effective for Treating Child ADHD - Medscape, 9/8/11 -
"In an evaluation of 10 trials with 699 total children
with ADHD, investigators found that those who received omega-3 supplements had a
"small but significant" improvement in symptom severity compared with those who
were given placebo. This effect was also significant in the children who
received supplements that specifically contained higher doses of
eicosapentaenoic acid ... Omega-3 supplements that included higher doses of
eicosapentaenoic acid were also significantly associated with lowering ADHD
symptoms ... There were no significant differences found for any dose of
docosahexaenoic acid or α-linolenic acid, or between omega-3 monotherapy vs
augmenting traditional ADHD medications with omega-3" - See
Mega Twin EPA at Amazon.com.
-
Marine, but not plant, omega-3s may boost heart health for women: Study -
Nutra USA, 9/7/11 - "High intakes of long chain omega-3
eicosapentaenoic acid (EPA, C20:5 n-3) and docosahexaenoic acid (DHA, C22:6 n-3)
was associated with a 38% reduction in the risk of ischemic heart disease (IHD)
in women, but not men ... Much attention has been paid to the conversion of ALA
to the longer chain EPA, with many stating that this conversion is very small.
Indeed, between 8 and 20 per cent of ALA is reportedly converted to EPA in
humans, and between 0.5 and 9 per cent of ALA is converted to DHA ... high
intakes of long chain omega-3s ranging from 0.45 to 11.2 grams per day were
associated with a 38% reduction in IHD risk for women only" - [Abstract]
-
Fish
oil's impact on cognition and brain structure identified in new study -
Science Daily, 8/17/11 - "Researchers at Rhode Island
Hospital's Alzheimer's Disease and Memory Disorders Center have found positive
associations between fish oil supplements and cognitive functioning as well as
differences in brain structure between users and non-users of fish oil
supplements ... compared to non-users, use of fish oil supplements was
associated with better cognitive functioning during the study. However, this
association was significant only in those individuals who had a normal baseline
cognitive function and in individuals who tested negative for a genetic risk
factor for Alzheimer's Disease known as APOE4. This is consistent with previous
research ... The unique finding, however, is that there was a clear association
between fish oil supplements and brain volume ... In other words, fish oil use
was associated with less brain shrinkage in patients taking these supplements
during the ADNI study compared to those who didn't report using them"
-
Omega-3 Supplements May Lower Anxiety - Medscape, 7/22/11 -
"In a small randomized controlled trial of medical students, those who received
omega-3 supplements for 3 months showed a 20% reduction in anxiety scores and a
14% reduction in stimulated interleukin 6 (IL-6) production ... Chronic
inflammation has been linked to a broad spectrum of health problems, including
cardiovascular disease, stroke, and rheumatoid arthritis ... A total of 68
first- and second-year medical students (56% male; mean age, 23.65 years) were
enrolled and randomized to receive 3 times daily either omega-3 supplement
capsules (consisting of 2085 mg of EPA and 348 mg of DHA, n = 34) or
fish-flavored placebo capsules (n = 34) for 12 weeks ... We chose the 7:1
EPA/DHA balance because of evidence that EPA has relatively stronger
anti-inflammatory and antidepressant effects than DHA"
-
Earlier the better for omega-3 benefits for brains & hearts? - Nutra USA,
7/4/11 -
"the older animals did benefit from fish oil
supplementation, but the benefits were limited to diastolic function, or the
filling of the heart with blood following contraction (systolic) ... The younger
animals had better spatial memory than the older animals, and the fish oil
supplements were not associated with any reversal of the age-related memory
deficits or increases in inflammation in the brain, wrote the researchers"
- [Abstract]
Abstracts:
-
Plasma phospholipid fatty
acids, dietary fatty acids and prostate cancer risk - Int J Cancer. 2013 Apr
11 - "Animal and experimental studies have demonstrated
that long-chain n-3 fatty acids inhibit the development of prostate cancer,
whereas n-6 fatty acids might promote it ... Collaborative Cohort Study using a
random sample of 1,717 men and 464 prostate cancer cases to investigate
associations between fatty acids assessed in plasma phospholipids (PPLs) or diet
(estimated using a 121-item food frequency questionnaire) and prostate cancer
risk ... Prostate cancer risk was positively associated with %PPL saturated
fatty acids (SFAs); HR [95% CI] = 1.51 [1.06, 2.16] (Q5 vs. Q1, fifth vs. first
quintile); p-trend = 0.003. HRs (Q5 to Q2 vs. Q1) were significantly elevated
for %PPL palmitic acid. %PPL oleic acid was inversely associated with risk, HR =
0.62 [0.43, 0.91] (Q5 vs. Q1); p-trend = 0.04. No statistically significant
linear trends were observed for dietary intakes. The HRs were elevated for
moderate intakes of linoleic acid (Q2 and Q3 vs. Q1, 1.58 [1.10, 2.28] and 1.70
[1.18, 2.46], respectively), but the increase was not significant for higher
intakes (Q4 and Q5). No association varied significantly by tumour
aggressiveness (all p-homogeneity > 0.1). Prostate cancer risk was positively
associated with %PPL SFA, largely attributable to palmitic acid and inversely
associated with %PPL monounsaturated fatty acids, largely attributable to oleic
acid. Higher risks were also observed for dietary n-6 polyunsaturated fats,
primarily linoleic acid"
-
Effect of
Fish Oil on Circulating Adiponectin: A Systematic Review and Meta-Analysis of
Randomized Controlled Trials - J Clin Endocrinol Metab. 2013 May 23 -
"In placebo-controlled RCTs, fish oil moderately
increases circulating adiponectin" -
See
Mega Twin EPA at Amazon.com
and
Jarrow Max DHA at Amazon.com.
-
Lipid
content in hepatic and gonadal adipose tissue parallel aortic cholesterol
accumulation in mice fed diets with different omega-6 PUFA to EPA plus DHA
ratios - Clin Nutr. 2013 Apr 24 - "Dietary
ω-6:EPA+DHA ratios did not affect body weight, but lower ω-6:EPA+DHA ratio diets
decreased liver lipid accumulation, which possibly contributed to the lower
aortic cholesterol accumulation" -
See
Mega Twin EPA at Amazon.com
and
Jarrow Max DHA at Amazon.com.
-
A low
dietary ratio of omega-6 to omega-3 Fatty acids may delay progression of
prostate cancer - Nutr Cancer. 2013;65(4):556-62 -
"High amounts of omega-6 fatty acids have been linked with increased prostate
cancer risk, whereas omega-3 fatty acids have been shown to inhibit PCa growth.
However, because omega-3 and omega-6 are both essential fatty acids and part of
a complete diet, it is more relevant to determine the ideal ratio of the two
that would allow patients to benefit from the therapeutic properties of omega-3
fatty acids. LNCaP prostate cancer cells were treated with dietary-based ratios
of omega-6 to omega-3 fatty acids under hormone-deprivation conditions, and
effects on various cellular processes were determined. A low omega-6 to omega-3
PUFA ratio can delay the progression of cells toward castration-resistance by
suppressing pathways involved in prostate cancer progression, such as the
Akt/mTOR/NFκB axis. It also suppresses the expression of cyclin D1, and
activation of caspase-3 and annexin V staining shows induction of proapoptotic
events. Taken together, our data demonstrates that maintaining a low omega-6 to
omega-3 fatty acids ratio can enhance efficacy of hormone ablation therapy"
-
Adiponectin
Gene Variant Interacts with Fish Oil Supplementation to Influence Serum
Adiponectin in Older Individuals - J Nutr. 2013 May 8 -
"Individuals homozygous for the +45 T-allele aged >58 y
had a 22% increase in serum adiponectin concentration compared with baseline
after the highest dose (P-treatment effect = 0.008). If substantiated in a
larger sample, a diet high in n3 PUFAs may be recommended for older individuals,
especially those of the +45 TT genotype who have reported increased risk of
hypoadiponectinemia, type 2 diabetes, and obesity"
-
Dietary Fat,
Fatty Acids, and Risk of Prostate Cancer in the NIH-AARP Diet and Health Study
- Cancer Epidemiol Biomarkers Prev. 2013 Apr;22(4):697-707 -
"NIH-American Association of Retired Persons (AARP) Diet
and Health Study. Diet was assessed at baseline with self-administered
food-frequency questionnaires ... Total fat and mono- and polyunsaturated fat
intakes were not associated with incidence of prostate cancer. Saturated fat
intake was related to increased risk of advanced prostate cancer (HRQuintile 5
vs. Qunitile 1 (Q1 vs. Q5), 1.21; 95% CI, 1.00-1.46; Ptrend = 0.03) and fatal
prostate cancer (HRQ5 vs. Q1, 1.47; 95% CI, 1.01-2.15; Ptrend = 0.04).
α-Linolenic acid (ALA) intake was related to increased risk of advanced prostate
cancer (HRQ5 vs. Q1, 1.17; 95% CI, 1.04-1.31; Ptrend = 0.01). Eicosapentanoic
acid (EPA) intake was related to decreased risk of fatal prostate cancer (HRQ5
vs. Q1, 0.82; 95% CI, 0.64-1.04; Ptrend = 0.02)"
-
Omega-3
Fatty Acids Improve Glucose Metabolism without Effects on Obesity Values and
Serum Visfatin Levels in Women with Polycystic Ovary Syndrome - J Am Coll
Nutr. 2012 Oct;31(5):361-8 - "controlled clinical trial
was conducted on 61 women who were diagnosed with PCOS, had a body mass index
(BMI) between 25 and 40 kg/m(2), and were from 20-35 years old. Thirty of the
subjects had taken four 1-g omega-3 fatty acids capsules per day, providing 1200
mg n-3 long chain polyunsaturated fatty acids (n-3 LC PUFA), and 31 were given a
placebo over 8 weeks ... Omega-3 fatty acids significantly decreased glucose (by
11.4%, p < 0.001), insulin (by 8.4%, p < 0.05), and homeostatic model assessment
for insulin resistance (by 21.8%, p < 0.001) compared with placebo"
-
Fish oil supplementation
alters circulating eicosanoid concentrations in young healthy men -
Metabolism. 2013 Mar 20 - "Fasted serum samples were
collected from 10 young healthy males (23.4+/-1.7years) before and after a
3-month supplementation of fish-oil containing 2.0g EPA and 1.0g DHA ... A
3-month fish oil supplementation in young healthy men improved circulating
triglyceride levels and the HDL-c ratio while, concomitantly, increasing the
concentrations of two eicosanoids (prostaglandin-F2α and thromboxane-B2). This
suggests that fish oil supplementation does have significant benefits in young
healthy adults"
-
Total n-3
fatty acid and SFA intakes in relation to insulin resistance in a Canadian First
Nation at risk for the development of type 2 diabetes - Public Health Nutr.
2013 Mar 21:1-5 - "Intake of dietary n-3 fatty acids may
be protective against whereas SFA intake may promote insulin resistance in this
high-risk Canadian First Nation sample. Reduced dietary SFA intake and greater
n-3 fatty acid intake may assist the prevention of glycaemic disease among First
Nations peoples"
-
Short-term
effects of fish-oil supplementation on heart rate variability in humans: a
meta-analysis of randomized controlled trials - Am J Clin Nutr. 2013 Mar 20
- "systematic search of PubMed, Embase, The Cochrane
Library, and references of related reviews and studies ... Short-term fish-oil
supplementation may favorably influence the frequency domain of heart rate
variability, as indicated by an enhanced vagal tone, which may be an important
mechanism underlying the antiarrhythmic and other clinical effects of fish oil"
-
Effect of
different dietary omega-3/omega-6 fatty acid ratios on reproduction in male rats
- Lipids Health Dis. 2013 Mar 13;12(1):33 - "These
findings demonstrated that a balanced n-3/n-6 ratio was important in male rat
reproduction. Therefore there is a necessity to determine an appropriate n-3/n-6
PUFA ratio in man and different male animals in the future"
-
Omega 3
fatty acids increase the chemo-sensitivity of B-CLL-derived cell lines EHEB and
MEC-2 and of B-PLL-derived cell line JVM-2 to anti-cancer drugs doxorubicin,
vincristine and fludarabine - Lipids Health Dis. 2013 Mar 16;12(1):36 -
"N-3's are promising chemo-sensitizing agents for the
treatment of CLL. Selective enhancement of chemo-sensitivity of EHEB, JVM-2 and
MEC-2 to drugs by n-3 that is not dependent on increased lipid peroxidation and
ROS generation indicates alternative mechanisms by which n-3 enhances
chemo-sensitivity"
-
trans Fatty
Acid Intake Is Associated with Increased Risk and n3 Fatty Acid Intake with
Reduced Risk of Non-Hodgkin Lymphoma - J Nutr. 2013 Mar 13 -
"diets high in TFAs, processed meats, and higher fat
dairy products were positively associated with NHL risk, whereas diets high in
n3 fatty acids and total seafood were inversely associated with risk"
-
Omega-3
fatty acids lower blood pressure by directly activating large-conductance
Ca2+-dependent K+ channels - Proc Natl Acad Sci U S A. 2013 Mar 4 -
"This finding has practical implications for the use of
omega-3 fatty acids as nutraceuticals for the general public and also for the
critically ill receiving omega-3-enriched formulas"
-
High
Concentrations of Plasma n3 Fatty Acids Are Associated with Decreased Risk for
Late Age-Related Macular Degeneration - J Nutr. 2013 Feb 13 -
"High dietary intakes of n3 (Ω3) PUFA and fish have been
consistently associated with a decreased risk for age-related macular
degeneration (AMD) ... The Antioxydants Lipides Essentiels Nutrition et Maladies
Occulaires (Alienor) Study is a prospective, population-based study on nutrition
and age-related eye diseases performed in 963 residents of Bordeaux (France)
aged ≥73 y ... After adjustment for age, gender, smoking, education, physical
activity, plasma HDL-cholesterol, plasma TGs, CFH Y402H, apoE4, and ARMS2 A69S
polymorphisms, and follow-up time, high plasma total n3 PUFA was associated with
a reduced risk for late AMD [OR = 0.62 for 1-SD increase (95% CI: 0.44-0.88); P
= 0.008]. Associations were similar for plasma 18:3n3 [OR = 0.62 (95% CI:
0.43-0.88); P = 0.008] and n3 long-chain PUFA [OR = 0.65 (95% CI: 0.46-0.92); P
= 0.01" - Note: 18:3n3 is alpha-linolenic acid (ALA), the form of
omega-3 found in plant sources such as flax. See
Mega Twin EPA at Amazon.com
and
Jarrow Max DHA at Amazon.com.
-
Fish
Oil-Supplemented Parenteral Nutrition in Patients Following Esophageal Cancer
Surgery: Effect on Inflammation and Immune Function - Nutr Cancer. 2013
Jan;65(1):71-75 - "inflammation [serum procalcitonin
(PCT) ... PCT level was notably lower and CD4(+)/CD8(+) ratio was markedly
higher in the ω-3 PUFAs group ... ω-3 PUFAs supplemented PN can reduce
inflammation and improve immune function in patients following esophageal cancer
surgery"
-
Supplementation with n3 Fatty Acid Ethyl Esters Increases Large and Small
Arterial Elasticity in Obese Adults on a Weight Loss Diet - J Nutr. 2013 Jan
30 - "carry out a 12-wk randomized, single-blind trial
to test the effect of a 25% energy deficit weight loss diet alone (WL) (n = 12)
or WL plus 4 g/d Omacor (46% EPA and 38% DHA) supplementation (WL+FAEE) (n = 13)
on arterial elasticity in obese adults. Large (C1) and small artery elasticity
(C2) were measured ... Supplementation with n3 FAEEs improves C1 and C2
independent of weight loss in obese adults"
-
Alterations
in the Intestinal Assimilation of Oxidized PUFAs Are Ameliorated by a
Polyphenol-Rich Grape Seed Extract in an In Vitro Model and CACO-2 Cells - J
Nutr. 2013 Jan 16 - "The (n-3) PUFAs, 20:5 (n-3) EPA and
22:6 (n-3) DHA, are thought to benefit human health. The presence of prooxidant
compounds in foods, however, renders them susceptible to oxidation during both
storage and digestion ... We found that during digestion, the development of
oxidation products occurs in the stomach compartment, and increased amounts of
oxidation products became bioaccessible in the jejunal and ileal compartments.
Inclusion of a polyphenol-rich grape seed extract (GSE) during the digestion
decreased the amounts of oxidation products in the stomach compartment and
intestinal dialysates (P < 0.05). In Caco-2 intestinal cells, the uptake of
oxidized (n-3) PUFA was ~10% of the uptake of unoxidized PUFAs (P < 0.05) and
addition of GSE or epigallocatechin gallate protected against the development of
oxidation products, resulting in increased uptake of PUFAs (P < 0.05). These
results suggest that addition of polyphenols during active digestion can limit
the development of (n-3) PUFA oxidation products in the small intestine lumen
and thereby promote intestinal uptake of the beneficial, unoxidized, (n-3)
PUFAs"
- See Jarrow Formulas OPCs + 95 at Amazon.com
and
green tea extract at Amazon.com.
-
Omega-3
fatty acids in cancer - Curr Opin Clin Nutr Metab Care. 2013 Jan 7 -
"Inflammation dictates tumour initiation, progression
and growth. Omega-3 fatty acids exert anti-inflammatory effects, and therefore
recent studies investigated their role in cancer prevention, in cancer cachexia
treatment and in enhancement of antitumour therapies. Limited evidence suggests
a role for omega-3 fatty acid supplementation in cancer prevention, but they
have been shown to preserve muscle mass and function in cancer patients even
during active treatment. During chemotherapy, omega-3 fatty acids may contribute
to a reduced inflammatory response, but whether cancer treatment toxicity can be
prevented remains to be assessed. Finally, small studies showed that omega-3
fatty acids increase response rate to chemotherapy"
-
The Impact
of Supplemental n-3 Long Chain Polyunsaturated Fatty Acids and Dietary
Antioxidants on Physical Performance in Postmenopausal Women - Nutr Health
Aging. 2013;17(1):76-80 - "126 postmenopausal women.
Intervention: 2 fish oil (1.2g eicosapentaenoic acid [EPA] and docosahexaenoic
acid [DHA]) or 2 placebo (olive oil) capsules per day for 6 months ... Physical
performance, measured by change in walking speed, was significantly affected by
fish oil supplementation. Dietary intake of antioxidants (selenium and vitamin
C) and changes in TNFα also contributed to change in walking speed suggesting
LCPUFA may interact with antioxidants and inflammatory response to impact
physical performance"
-
Association
of Marine-Origin n-3 Polyunsaturated Fatty Acids Consumption and Functional
Mobility in the Community-Dwelling Oldest Old - J Nutr Health Aging.
2013;17(1):82-9 - "Multivariate logistic regression
analysis revealed that a lower habitual intake of EPA+DHA was significantly
associated with poor functional mobility in men but not in women (OR (95%CI) per
1 SD increase of EPA+DHA intake; 0.55 (0.33-0.91), 0.88 (0.59-1.32), men and
women respectively)"
-
The Effects
of n-3 Long-Chain Polyunsaturated Fatty Acid Supplementation on Biomarkers of
Kidney Injury in Adults With Diabetes: Results of the GO-FISH trial -
Diabetes Care. 2012 Dec 28 - "placebo-controlled,
two-period crossover trial to test the effects of 4 g/day of n-3 PUFA
supplementation on markers of glomerular filtration and kidney injury in adults
with adult-onset diabetes and greater than or equal to trace amounts of
proteinuria ... These results suggest a potential effect of n-3 PUFA
supplementation on markers of kidney injury in patients with diabetes and early
evidence of kidney disease"
-
Platelet
Redox Balance in Diabetic Patients With Hypertension Improved by n-3 Fatty Acids
- Diabetes Care. 2012 Dec 13 - "Patients with type 2
diabetes mellitus (T2DM) are at increased risk of developing cardiovascular
disease, largely as a result of defective production of cardioprotective nitric
oxide and a concomitant rise in oxidative stress ... We randomized hypertensive
T2DM patients (T2DM HT; n = 22) and age-and-sex matched hypertensive study
participants without diabetes (HT alone; n = 23) in a double-blind, crossover
fashion to receive 8 weeks of n-3 PUFAs (1.8 g eicosapentaenoic acid and 1.5 g
docosahexaenoic acid) or identical olive oil capsules (placebo), with an
intervening 8-week washout period ... Our finding that n-3 PUFAs diminish
platelet superoxide production in T2DM HT patients in vivo suggests a
therapeutic role for these agents in reducing the vascular-derived oxidative
stress associated with diabetes" - See
ubiquinol products at Amazon.com
and
Mega Twin EPA at Amazon.com.
-
Effects of
fish oil supplementation on inflammatory acne - Lipids Health Dis. 2012 Dec
3;11(1):165 - "Given that acne is a rare condition in
societies with higher consumption of omega-3 (n-3) relative to omega-6 (n-6)
fatty acids, supplementation with n-3 may suppress inflammatory cytokine
production and thereby reduce acne severity ... 13 individuals with inflammatory
acne were given three grams of fish oil containing 930 mg of EPA to their
unchanged diet and existing acne remedies for 12 weeks ... There was no
significant change in acne grading and inflammatory counts at week 12 compared
to baseline. However, there was a broad range of response to the intervention on
an individual basis. The results showed that acne severity improved in 8
individuals, worsened in 4, and remained unchanged in 1. Interestingly, among
the individuals who showed improvement, 7 were classified as having moderate to
severe acne at baseline, while 3 of the 4 whose acne deteriorated were
classified as having mild acne"
-
Effects of
EPA, γ-linolenic acid or coenzyme Q10 on serum prostate-specific antigen levels:
a randomised, double-blind trial - Br J Nutr. 2012 Nov 30:1-8 -
"A total of 504 healthy men with serum PSA level ≤ 2.5
ng/ml were recruited into the study ... Participants were randomly assigned to a
daily dietary supplement containing n-3 fatty acids (1.12 g of EPA and 0.72 g of
DHA per capsule) (group 1, n 126), n-6 fatty acid (600 mg γ-linolenic acid (GLA)
each capsule) (group 2, n 126), CoQ10 (100 mg per capsule) (group 3, n 126) or a
similar regimen of placebo (group 4, n 126) for 12 weeks ... EPA treatment
significantly reduced serum PSA level by 30.0 (95 % CI 25, 36) % (P = 0.004)
from baseline. In contrast, GLA therapy significantly increased serum PSA
concentration by 15.0 (95 % CI 11, 20) % (P = 0.02). CoQ10 therapy also
significantly reduced serum PSA level by 33.0 (95 % CI 27, 40) % (P = 0.002). In
multivariable analysis, serum values of PSA were strongly correlated with
duration of EPA (r - 0.62; 95 % CI - 0.42, - 0.77; P = 0.003), n-6 (r 0.42; 95 %
CI 0.31, 0.58; P = 0.02) and CoQ10 use (r - 0.77; 95 % CI - 0.56, - 0.87; P =
0.001). There were also significant correlations between serum values of DHA,
EPA, GLA and CoQ10 and serum PSA levels. The present study demonstrates that
dietary supplements containing EPA, GLA or CoQ10 may significantly affect serum
PSA levels"
-
Effect of
omega-3 (n-3) fatty acid supplementation in patients with sickle cell anemia:
randomized, double-blind, placebo-controlled trial - Am J Clin Nutr. 2012
Nov 28 - "Blood cell aggregation and adherence to
vascular endothelium and inflammation play a central role in vaso-occlusive
crisis in sickle cell disease. The antiaggregatory, antiadhesive,
antiinflammatory, and vasodilatory omega-3 (n-3) fatty acids (DHA and EPA) are
significantly reduced in patients with the disease ... One hundred forty
patients recruited from a single center in Sudan were randomly assigned and
received, daily, 1 (age 2-4 y), 2 (age 5-10 y), 3 (age 11-16), or 4 (age ≥17 y)
omega-3 capsules containing 277.8 mg DHA and 39.0 mg EPA or placebo for 1 y ...
Omega-3 treatment reduced the median rate of clinical vaso-occlusive events (0
compared with 1.0 per year, P < 0.0001), severe anemia (3.2% compared with
16.4%; P < 0.05), blood transfusion (4.5% compared with 16.4%; P < 0.05), white
blood cell count (14.4 +/- 3.3 compared with 15.6 +/- 4.0 ×10(3)/μL; P < 0.05),
and the OR of the inability to attend school at least once during the study
period because of illness related to the disease to 0.4 ... The findings of this
trial, which need to be verified in a large multicenter study, suggest that
omega-3 fatty acids can be an effective, safe, and affordable therapy for sickle
cell anemia"
-
Effects of
supplementation with n-3 polyunsaturated fatty acids on cognitive performance
and cardiometabolic risk markers in healthy 51 to 72 years old subjects: a
randomized controlled cross-over study - Nutr J. 2012 Nov 22;11(1):99 -
"Fish oil n-3 PUFA (3g daily) were consumed during
5weeks separated by a 5 week washout period in a cross-over placebo controlled
study, including 40 healthy middle aged to elderly subjects ... Supplementation
with n-3 PUFA resulted in better performance in the WM-test compared with
placebo (p < 0.05). In contrast to placebo, n-3 PUFA lowered plasma
triacylglycerides (P < 0.05) and systolic blood pressure (p < 0.0001). Systolic
blood pressure (p < 0.05), f-glucose (p = 0.05), and s-TNF-alpha (p = 0.05),
were inversely related to the performance in cognitive tests ... Intake of n-3
PUFA improved cognitive performance in healthy subjects after five weeks
compared with placebo. In addition, inverse relations were obtained between
cardiometabolic risk factors and cognitive performance, indicating a potential
of dietary prevention strategies to delay onset of metabolic disorders and
associated cognitive decline"
-
Fetal
growth, omega-3 (n-3) fatty acids, and progression of subclinical
atherosclerosis: preventing fetal origins of disease? The Cardiovascular Risk in
Young Finns Study - Am J Clin Nutr. 2012 Nov 14 -
"Impaired fetal growth is independently associated with an increased risk of
cardiovascular events in adulthood ... Dietary intake of omega-3 fatty acids is
associated with a slower rate of increase in carotid intima-media thickness in
those with impaired fetal growth"
-
Dietary fish
oil reduces glomerular injury and elevated renal hydroxyeicosatetraenoic acid
levels in the JCR:LA-cp rat, a model of the metabolic syndrome - Br J Nutr.
2012 Nov 15:1-9 - "These results suggest a potential
role for dietary fish oil to improve dysfunctional renal eicosanoid metabolism
associated with kidney damage during conditions of the MetS"
-
Titrating
lovaza from 4 to 8 to 12 grams/day in patients with primary hypertriglyceridemia
who had triglyceride levels >500 mg/dl despite conventional triglyceride
lowering therapy - Lipids Health Dis. 2012 Oct 30;11(1):143 -
"With TG >500 mg/dl despite Type V diet,
hyperinsulinemia and diabetes control, and fibric acids, Lovaza (4 g/d) was
added for 1 month, and if TG remained >500 mg/dl, increased to 8 g/d for 1
month, and then to 12 g/d for 1 month, and subsequently reduced to 4 g/day for 4
months ... Titration of Lovaza from 4 to 8 to 12 g/d safely offers an effective
way to lower TG beyond conventional 4 g therapy"
-
Attenuation
of post-myocardial infarction depression in rats by n-3 fatty acids or
probiotics starting after the onset of reperfusion - Br J Nutr. 2012 Oct
15:1-7 - "Proinflammatory cytokines play a central role
in depression-like behaviour and apoptosis in the limbic system after myocardial
infarction (MI). A PUFA n-3 diet or the combination of Lactobacillus helveticus
R0052 and Bifidobacterium longum R0175 probiotics, when given before the
ischaemic period, reduce circulating proinflammatory cytokines as well as
apoptosis in the limbic system ... These results indicate that a high-PUFA n-3
diet or the administration of probiotics, starting after the onset of
reperfusion, are beneficial to attenuate apoptosis in the limbic system and
post-MI depression in the rat"
-
Plasma
phospholipid fatty acid composition in ischemic stroke: Importance of
docosahexaenoic acid in the risk for intracranial atherosclerotic stenosis -
Atherosclerosis. 2012 Sep 20 - "intracranial
atherosclerotic stenosis (ICAS) ... no cerebral atherosclerotic stenosis, NCAS
... Age, coexistence of hypertension/diabetes were significantly different among
the groups. Phospholipid FA compositions were significantly different between
non-stroke control and ischemic stroke patients, and interestingly, between NCAS
and ICAS in stroke patients. Pattern analysis showed that docosahexaenoic acid
(DHA) and eicosapentaenoic acid (EPA), the ω3-polyunsaturated FAs were important
FAs in distinguishing NCAS and ICAS in strokes. Particularly, the risk of ICAS
was inversely associated with levels of DHA contents in phospholipids (OR:
0.590, 95% CI: 0.350-0.993, p < 0.05), indicating that the risk may be increased
at lower levels of DHA contents ... DHA and EPA are important FAs for
distinguishing NCAS and ICAS in strokes. Additionally, the risk of ICAS was
inversely associated with the levels of phospholipid DHA, which indicates that
sufficient amounts of DHA in plasma or in diet may reduce the risk of ICAS"
-
Effects of
Serum n-3 to n-6 Polyunsaturated Fatty Acids Ratios on Coronary Atherosclerosis
in Statin-Treated Patients With Coronary Artery Disease - Am J Cardiol. 2012
Oct 2 - "A low ratio of n-3 to n-6 polyunsaturated fatty
acids has been associated with cardiovascular events ... Coronary
atherosclerosis in nonculprit lesions in the percutaneous coronary intervention
vessel was evaluated using virtual histology intravascular ultrasound in 101
patients at the time of percutaneous coronary intervention and 8 months after
statin therapy ... decreases in serum n-3 to n-6 polyunsaturated fatty acid
ratios are associated with progression in coronary atherosclerosis evaluated
using virtual histology intravascular ultrasound in statin-treated patients with
coronary artery disease"
-
Fish
consumption and risk of stroke and its subtypes: accumulative evidence from a
meta-analysis of prospective cohort studies - Eur J Clin Nutr. 2012 Oct 3 -
"A database was derived from 16 eligible studies (19
cohorts), including 402 127 individuals (10 568 incident cases) with an average
12.8 years of follow-up ... Accumulated evidence generated from this
meta-analysis suggests that fish intake may have a protective effect against the
risk of stroke, particularly ischemic stroke"
-
n-3
Long-chain PUFA reduce allergy-related mediator release by human mast cells in
vitro via inhibition of reactive oxygen species - Br J Nutr. 2012 Oct 1:1-11
- "Increased n-6 and reduced n-3 long-chain PUFA
(LC-PUFA) intake in Western diets may contribute to the increased prevalence of
allergic diseases ... This suggests that dietary supplementation with EPA and/or
DHA may alter the MC phenotype, contributing to a reduced susceptibility to
develop and sustain allergic disease"
-
The
association of red blood cell n-3 and n-6 fatty acids to dietary fatty acid
intake, bone mineral density and hip fracture risk in the Women's Health
Initiative - J Bone Miner Res. 2012 Sep 27 -
"Omega-3 (n-3) and omega-6 (n-6) polyunsaturated fatty acids (PUFA) in red blood
cells (RBC) are an objective indicator of PUFA status and may be related to hip
fracture risk ... A nested case-control study (n=400 pairs) was completed within
the Women's Health Initiative (WHI) using 201 incident hip fracture cases from
the Bone Mineral Density (BMD) cohort, along with 199 additional incident hip
fracture cases randomly selected from the WHI Observational Study ... In
adjusted hazard models, lower hip fracture risk was associated with higher RBC
a-linolenic acid [Hazard ratio (HR) Tertile 3 (T3): 0.44; 95% CI: 0.23-0.85; p
for linear trend 0.0154)], eicosapentaenoic acid (HR T3: 0.46; 95% CI:
0.24-0.87; p for linear trend 0.0181) and total n-3 PUFAs (HR T3: 0.55; 95% CI:
0.30-1.01; p for linear trend 0.0492). Conversely, hip fracture nearly doubled
with the highest RBC n-6/n-3 ratio (HR T3: 1.96; 95% CI: 1.03-3.70; p for linear
trend 0.0399). RBC PUFAs were not associated with BMD. RBC PUFAs were indicative
of dietary intake of marine n-3 PUFAs (Spearman's rho=0.45, p<0.0001), total n-6
PUFAs (rho=0.17, p<0.0001) and linoleic acid (rho= 0.09, p<0.05). These results
suggest that higher RBC a-linolenic acid, as well as eicosapentaenoic acid and
total n-3 PUFAs, may predict lower hip fracture risk. Contrastingly, a higher
RBC n-6/n-3 ratio may predict higher hip fracture risk in postmenopausal women"
-
Effects of
omega-3 fatty acids on postprandial triglycerides and monocyte activation -
Atherosclerosis. 2012 Sep 13 - "Patients were treated
with 4 g n3-FA/day or placebo for 3 weeks in a randomized, placebo-controlled,
double-blind, crossover study. Relative postprandial TG increase reached its
maximum 4 h after fat intake (185.1 +/- 10.9% of baseline). n3-FA reduced
fasting TG from 137.1 +/- 12.9 to 112.2 +/- 8.6 mg/dl (p < 0.05), and maximum
ppTG concentrations from 243.6 +/- 24.6 to 205.8 +/- 17.1 mg/dl (p < 0.05),
while relative TG increase (192.8 +/- 12.7%) was comparable to placebo"
-
Modification
of high saturated fat diet with n-3 polyunsaturated fat improves glucose
intolerance and vascular dysfunction - Diabetes Obes Metab. 2012 Sep 5 -
"We hypothesized that partial replacement of dietary
saturated fats with n-3 PUFA enriched menhaden oil (MO) would provide greater
improvement in glucose tolerance and vascular function compared to n-6 enriched
safflower oil (SO) or MUFA-enriched olive oil (OO) ... We fed mice a high
saturated fat diet (60% kcal from lard) for 12 weeks before substituting half
the lard with MO, SO or OO for an additional 4 weeks ... We conclude that short
term enrichment of an ongoing high fat diet with n-3 PUFA rich MO but not MUFA
rich OO or n-6 PUFA rich SO reverses glucose tolerance, insulin signaling, and
vascular dysfunction"
-
Plasma and
dietary omega-3 fatty acids, fish intake, and heart failure risk in the
Physicians' Health Study - Am J Clin Nutr. 2012 Sep 5 -
"The mean age was 58.7 y at blood collection. In a
multivariable model, plasma α-linolenic acid (ALA) was associated with a lower
risk of HF in a nonlinear fashion (P-quadratic trend = 0.02), and the lowest OR
was observed in quintile 4 (0.66; 95% CI: 0.47, 0.94). Plasma EPA and DHA were
not associated with HF, whereas plasma docosapentaenoic acid (DPA) showed a
nonlinear inverse relation with HF for quintile 2 (OR: 0.55; 95% CI: 0.39,
0.79). Dietary marine n-3 FAs showed a trend toward a lower risk of HF in
quintile 4 (HR: 0.81; 95% CI: 0.64, 1.02) and a nonlinear pattern across
quintiles. Fish intake was associated with a lower risk of HF, with RRs of ~0.70
for all categories of fish consumption greater than one serving per month"
- Note: alpha linolenic acid is the omega-3 in flaxseed oil. See
Jarrow Formulas, Flax Seed Oil, 32 fl oz (946 ml) or
Flora, Flax-O-Mega, 180 Capsules.
-
Eicosapentaenoic acid versus docosahexaenoic acid in mild-to-moderate
depression: A randomized, double-blind, placebo-controlled trial - Eur
Neuropsychopharmacol. 2012 Aug 18 - "Eighty-one
mild-to-moderately depressed outpatients were randomly assigned to receive
either 1g/d of EPA or DHA or placebo (coconut oil) for 12 weeks ... Although
there was no significant difference between groups at baseline, patients in the
EPA group showed a significantly lower mean HDRS score at study endpoint
compared with those in the DHA (p<0.001) or placebo (p=0.002) groups.
Furthermore, response to treatment (defined as a ≥50% decrease from the baseline
HDRS score) was only observed in 6 patients receiving EPA, while no one in any
of DHA or placebo groups responded to treatment" - See
Mega Twin EPA at Amazon.com.
-
Highly
Purified Eicosapentaenoic Acid Increases Interleukin-10 Levels of Peripheral
Blood Monocytes in Obese Patients With Dyslipidemia - Diabetes Care. 2012
Aug 21 - "Peripheral blood monocytes were prepared from
26 obese patients without and 90 obese patients with dyslipidemia. Of the latter
90 obese patients with dyslipidemia, 82 patients were treated with or without
EPA treatment (1.8 g daily) for 3 months ... This study is the first to show
that EPA increases the monocyte IL-10 expression in parallel with decrease of
arterial stiffness, which may contribute to the antiatherogenic effect of EPA in
obese dyslipidemic patients"
-
Plasma
long-chain omega-3 fatty acids and atrophy of the medial temporal lobe -
Neurology. 2012 Aug 1 - "A total of 281 community
dwellers from the Three-City Study, aged 65 years or older, had plasma fatty
acid measurements at baseline and underwent MRI examinations at baseline and at
4 years. We studied the association between plasma EPA and DHA and MTL gray
matter volume change at 4 years ... Higher plasma EPA, but not DHA, was
associated with lower gray matter atrophy of the right
hippocampal/parahippocampal area and of the right amygdala (p < 0.05, familywise
error corrected). Based on a mean right amygdala volume loss of 6.0 mm(3)/y
(0.6%), a 1 SD higher plasma EPA (+0.64% of total plasma fatty acids) at
baseline was related to a 1.3 mm(3) smaller gray matter loss per year in the
right amygdala. Higher atrophy of the right amygdala was associated with greater
4-year decline in semantic memory performances and more depressive symptoms ...
The amygdala, which develops neuropathology in the early stage of AD and is
involved in the pathogenesis of depression, may be an important brain structure
involved in the association between EPA and cognitive decline and depressive
symptoms" -
See
Mega Twin EPA at Amazon.com.
-
n-3 Fatty
acids inhibit transcription of human IL-13: implications for development of T
helper type 2 immune responses - Br J Nutr. 2012 Jul 31:1-11 -
"These data indicate the potential of n-3 fatty acids to
attenuate IL-13 expression, and suggest that they may subsequently reduce
allergic sensitisation and the development of allergic disease"
-
Erythrocyte
n-3 Polyunsaturated Fatty Acid and Seafood Intake Decrease the Risk of
Depression: Case-Control Study in Korea - Ann Nutr Metab. 2012 Jul
6;61(1):25-31 - "Multivariate-adjusted regression
analysis showed that the risk of depression was significantly and negatively
associated with erythrocyte levels of 20:5 n-3, 22:6 n-3, 16:0 and 18:0, but
positively associated with erythrocyte levels of 18:2t and 16:1 after adjusting
for confounding factors. In addition, the risk of depression was negatively
associated with the intake of energy, carbohydrate, seafood and grains, but
positively with the intake of fat and meat after adjustment for confounding
factors. Conclusions: The risk of depression could be decreased with increased
erythrocyte levels of n-3 PUFA and saturated fatty acids, as well as seafood
intake, but decreased erythrocyte levels of trans fatty acids in Koreans"
-
Fish
consumption, omega-3 fatty acids and risk of heart failure: A meta-analysis
- Clin Nutr. 2012 Jun 6 - "Using random effect model,
the pooled relative risk for heart failure comparing the highest to lowest
category of fish intake was 0.85 (95% CI; 0.73-0.99), p = 0.04; corresponding
value for marine omega-3 fatty acids was 0.86 (0.74-1.00), p = 0.05 ... there
was no evidence for publication bias"
-
"Metabolic
syndrome" in the brain: Deficiency in omega-3-fatty acid exacerbates
dysfunctions in insulin receptor signaling and cognition - J Physiol. 2012
Apr 2 - "high-dietary fructose consumption leads to
increase in insulin resistance index, insulin and triglyceride levels, which
characterize MetS. Rats fed on an n-3 deficient diet showed memory deficits in
Barnes Maze, which were further exacerbated by fructose intake. In turn, n-3
deficient diet and fructose interventions disrupted insulin receptor signaling
in hippocampus as evidenced by a decrease in phosphorylation of insulin receptor
and its downstream effector Akt. We found that high fructose consumption with
n-3 deficient diet disrupts membrane homeostasis as evidenced by an increase in
the ratio of n-6/n-3 fatty acids and levels of 4-hydroxynonenal (4-HNE), a
marker of lipid peroxidation. Disturbances in brain energy metabolism due to n-3
deficiency and fructose treatments were evidenced by a significant decrease in
AMPK phosphorylation and its upstream modulator LKB1 as well as a decrease in
Sir2 levels. The decrease in phosphorylation of CREB, synapsin I and
synaptophysin (SYP) levels by n-3 deficiency and fructose shows the impact of
metabolic dysfunction on synaptic plasticity. All parameters of metabolic
dysfunction related to the fructose treatment were ameliorated by the presence
of dietary n-3 fatty acid. Results showed that dietary n-3 fatty acid deficiency
elevates the vulnerability to metabolic dysfunction and impaired cognitive
functions by modulating insulin receptor signaling and synaptic plasticity"
-
n-3
polyunsaturated fatty acids: the potential role for supplementation in cancer
- Curr Opin Clin Nutr Metab Care. 2012 Feb 23 - "Low n-3
fatty acids are associated with loss of skeletal muscle, suggesting a need for
supplementation ... Recent evidence appears to favour providing n-3 fatty acids
early in the disease trajectory, during antineoplastic therapy for preservation
of muscle and also to improve treatment tolerance"
-
Immunomodulation of microglia by docosahexaenoic acid and eicosapentaenoic acid
- Curr Opin Clin Nutr Metab Care. 2012 Mar;15(2):134-43 -
"Immunomodulation by ω-3 FAs is mediated by several
pathways that are interconnected and is a potential therapy for disorders in the
CNS"
-
Effect of
omega-3 fatty acids supplementation on endothelial function: A meta-analysis of
randomized controlled trials - Atherosclerosis. 2012 Jan 20 -
"Supplementation of omega-3 fatty acids significantly
improves the endothelial function without affecting endothelium-independent
dilation"
-
Effects of
n-3 fatty acids on major cardiovascular events in statin users and non-users
with a history of myocardial infarction - Eur Heart J. 2012 Feb 1 -
"In statin users, an additional amount of n-3 fatty
acids did not reduce cardiovascular events [HR(adj) 1.02; 95% confidence
interval (CI): 0.80, 1.31; P = 0.88]. In statin non-users, however, only 9% of
those who received EPA-DHA plus ALA experienced an event compared with 18% in
the placebo group ... In patients with a history of MI who are not treated with
statins, low-dose supplementation with n-3 fatty acids may reduce major
cardiovascular events. This study suggests that statin treatment modifies the
effects of n-3 fatty acids on the incidence of major cardiovascular events"
-
The Omega-3
Polyunsaturated Fatty Acid Eicosapentaenoic Acid Inhibits Mouse MC-26 Colorectal
Cancer Cell Liver Metastasis Via Inhibition Of Prostaglandin E(2) -Dependent
Cell Motility - Br J Pharmacol. 2012 Feb 2 -
"Treatment with 5% (w/w) EPA-FFA was associated with a reduced MC-26 mouse CRC
cell liver tumour burden compared with control animals (median liver weight
1.62g versus 1.03g; P < 0.034). Administration of 5% EPA-FFA was also linked to
a significant increase in tumour EPA incorporation and lower intra-tumoral
PGE(2) levels (with concomitant increased production of PGE(3) ). Liver tumours
from 5% EPA-FFA treated mice demonstrated decreased bromodeoxyuridine-positive
CRC cell proliferation and reduced phosphorylated extracellular signal-related
kinase 1/2 expression at the invasive edge of tumours. A concentration-dependent
reduction in MC-26 CRC cell Transwell® migration following EPA-FFA treatment
(50-200µM) in vitro was rescued by exogenous PGE(2) (10µM) and PGE(1) -alcohol
(1µM). Conclusions: EPA-FFA inhibits MC-26 CRC cell liver metastasis. EPA
incorporation is associated with a 'PGE(2) to PGE(3) switch' in liver tumours.
Inhibition of PGE(2) -EP4 receptor-dependent CRC cell motility likely
contributes to the anti-neoplastic activity of EPA"
-
Fish Oil
Supplement Alters Markers of Inflammatory and Nutritional Status in Colorectal
Cancer Patients - Nutr Cancer. 2012 Feb 1 - "The
supplemented group (SG) consumed 2 g of fish oil containing 600 milligrams of
eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) for 9 wk ... Patients
supplemented with fish oil (SG) showed a clinically relevant decrease in the
C-reactive protein/albumin relation (P = 0.005). Low doses of fish oil
supplement can positively modulate the nutritional status and the C-reative
protein/albumin ratio"
-
Association
of Plasma Phospholipid Long-Chain Omega-3 Fatty Acids with Incident Atrial
Fibrillation in Older Adults: The Cardiovascular Health Study - Circulation.
2012 Jan 26 - "In multivariable Cox models adjusted for
other risk factors, the RR in the top versus lowest quartile of total n-3 PUFA
(EPA+DPA+DHA) levels was 0.71 (95%CI=0.57-0.89, P-trend=0.004); and of DHA
levels, 0.77 (95%CI=0.62-0.96, P-trend=0.01). EPA and DPA levels were not
significantly associated with incident AF. Evaluated non-parametrically, both
total n-3 PUFA and DHA showed graded and linear inverse associations with
incidence of AF"
-
(n-3) Fatty
Acids and Cardiovascular Health: Are Effects of EPA and DHA Shared or
Complementary? - J Nutr. 2012 Jan 25 - "We reviewed
evidence for dietary and endogenous sources and cardiovascular effects on
biologic pathways, physiologic risk factors, and clinical endpoints of EPA
[20:5(n-3)], docosapentaenoic acid [DPA, 22:5(n-3)], and DHA [22:6(n-3)]. DHA
requires direct dietary consumption, with little synthesis from or
retroconversion to DPA or EPA. Whereas EPA is also largely derived from direct
consumption, EPA can also be synthesized in small amounts from plant (n-3)
precursors, especially stearidonic acid. In contrast, DPA appears principally
derived from endogenous elongation from EPA, and DPA can also undergo
retroconversion back to EPA. In experimental and animal models, both EPA and DHA
modulate several relevant biologic pathways, with evidence for some differential
benefits. In humans, both fatty acids lower TG levels and, based on more limited
studies, favorably affect cardiac diastolic filling, arterial compliance, and
some metrics of inflammation and oxidative stress. All three (n-3) PUFA reduce
ex vivo platelet aggregation and DHA also modestly increases LDL and HDL
particle size; the clinical relevance of such findings is uncertain. Combined
EPA+DHA or DPA+DHA levels are associated with lower risk of fatal cardiac events
and DHA with lower risk of atrial fibrillation, suggesting direct or indirect
benefits of DHA for cardiac arrhythmias (although not excluding similar benefits
of EPA or DPA). Conversely, EPA and DPA, but not DHA, are associated with lower
risk of nonfatal cardiovascular endpoints in some studies, and purified EPA
reduced risk of nonfatal coronary syndromes in one large clinical trial.
Overall, for many cardiovascular pathways and outcomes, identified studies of
individual (n-3) PUFA were relatively limited, especially for DPA. Nonetheless,
the present evidence suggests that EPA and DHA have both shared and
complementary benefits. Based on current evidence, increasing consumption of
either would be advantageous compared to little or no consumption. Focusing on
their combined consumption remains most prudent given the potential for
complementary effects and the existing more robust literature on cardiovascular
benefits of their combined consumption as fish or fish oil for cardiovascular
benefits"
-
Dietary
intake of PUFAs and colorectal polyp risk - Am J Clin Nutr. 2012 Jan 25 -
"n-6 PUFAs were not associated with adenomatous or
hyperplastic polyps in either men or women. Marine-derived n-3 PUFAs were
associated with reduced risk of colorectal adenomas in women only, with an
adjusted OR of 0.67 (95% CI: 0.47, 0.97) for the highest quintile of intake
compared with the lowest quintile of intake (P-trend = 0.01). Dietary intake of
α-linolenic acid was associated with an increased risk of hyperplastic polyps in
men (P-trend = 0.03), which was not seen in women"
-
Associations
of plasma n-3 polyunsaturated fatty acids with blood pressure and cardiovascular
risk factors among Chinese - Int J Food Sci Nutr. 2012 Jan 20 -
"Our results suggest that plasma PL n-3 PUFA was
significantly inversely associated with hypertension in Chinese. It would seem
appropriate for hypertensive subjects to increase their dietary n-3 PUFA which
may help reduce BP"
-
Oral
nutritional supplements containing n-3 polyunsaturated fatty acids affect
quality of life and functional status in lung cancer patients during
multimodality treatment: an RCT - Eur J Clin Nutr. 2012 Jan 11 -
"(2.02 g eicosapentaenoic acid+0.92 g docosahexaenoic
acid/day) or an isocaloric control supplement ... The intervention group
reported significantly higher on the quality of life parameters, physical and
cognitive function (B=11.6 and B=20.7, P<0.01), global health status (B=12.2,
P=0.04) and social function (B=22.1, P=0.04) than the control group after 5
weeks. The intervention group showed a higher Karnofsky Performance Status
(B=5.3, P=0.04) than the control group after 3 weeks. Handgrip strength did not
significantly differ between groups over time. The intervention group tended to
have a higher physical activity than the control group after 3 and 5 weeks
(B=6.6, P=0.04 and B=2.5, P=0.05)"
-
Associations
between n-3 PUFA concentrations and cognitive function after recovery from
late-life depression - Am J Clin Nutr. 2012 Jan 4 -
"sample of 132 eligible participants who had recovered from major depression
(mean +/- SD age: 67.8 +/- 6.6 y) were enrolled from outpatient psychiatric
services. A series of cognitive tests and a structured questionnaire were
administered. Fasting blood samples were collected for n-3 PUFA measurements ...
the strongest and most consistent correlations were found between immediate
recall and concentrations of total n-3 PUFAs and α-linolenic acid (ALA) in
erythrocytes, which were observed only in participants with recurrent depression
... Total erythrocyte n-3 PUFA concentrations are positively associated with
cognitive function, particularly immediate recall, in older people with previous
depression. Lower concentrations of n-3 PUFAs or ALA in erythrocyte membranes
may be good predictors for cognitive impairment in older people with previous
recurrent depression"
-
ω-3 and ω-6
polyunsaturated fatty acid intakes and the risk of breast cancer in Mexican
women: impact of obesity status - Cancer Epidemiol Biomarkers Prev. 2011 Dec
22 - "Overall, there was no significant association
between ω-3 PUFA intake and breast cancer risk (p=0.31). An increased risk of
breast cancer was associated with increasing ω-6 PUFA intake in pre-menopausal
women (OR=1.92, 95% CI=1.13;3.26; p=0.04). A decreased risk of breast cancer was
significantly associated with increasing ω-3 PUFA intake in obese women
(OR=0.58, 95%CI=0.39;0.87; p=0.008), but not in normoweight nor in overweight
women (p for heterogeneity = 0.017)
-
Fish oil
attenuates surgery-induced immunosuppression, limits post-operative metastatic
dissemination and increases long-term recurrence-free survival in rodents
inoculated with cancer cells - Clin Nutr. 2011 Nov 26 -
"ω-3FA feeding attenuates or even overcomes
postoperative NK cell suppression, increases resistance to experimental and
spontaneous metastasis, and enhances recurrence-free survival following excision
of metastasizing primary tumors"
-
Hypothalamic
gene expression in ω-3 PUFA-deficient male rats before, and following,
development of hypertension - Hypertens Res. 2011 Nov 10 -
"Dietary deficiency of ω-3 fatty acids (ω-3 DEF)
produces hypertension in later life ... Animals were fed experimental diets that
were deficient in ω-3 fatty acids, sufficient in short-chain ω-3 fatty acids or
sufficient in short- and long-chain ω-3 fatty acids, from the prenatal period
until 10 or 36 weeks-of-age. There was no difference in blood pressure between
groups at 10 weeks-of-age; however, at 36 weeks-of-age ω-3 DEF animals were
hypertensive in relation to sufficient groups. At 10 weeks, expression of
angiotensin-II(1A) receptors and dopamine D(3) receptors were significantly
increased in the hypothalamic tissue of ω-3 DEF animals. In contrast, at 36
weeks, α(2a) and β(1) adrenergic receptor expression was significantly reduced
in the ω-3 DEF group. Brain docosahexaenoic acid was significantly lower in ω-3
DEF group compared with sufficient groups. This study demonstrates that dietary
ω-3 DEF causes changes both in the expression of key genes involved in central
blood pressure regulation and in blood pressure. The data may indicate that
hypertension resulting from ω-3 DEF is mediated by the central adrenergic
system"
-
Enteral n-3
fatty acids and micronutrients enhance percentage of positive neutrophil and
lymphocyte adhesion molecules: a potential mediator of pressure ulcer healing in
critically ill patients - Br J Nutr. 2011 Nov 1:1-6 -
"n-3 Fatty acids are recognised as influencing both
wound healing and immunity. We assessed the impact of a fish oil- and
micronutrient-enriched formula (study formula) on the healing of pressure ulcers
and on immune function in critically ill patients in an intensive care unit ...
intervention group, n 20, received study formula; and a control group, n 20,
received an isoenergetic formula ... Patients who received the study formula
showed significant increases in the percentage of positive CD18 and CD11a
lymphocytes and of CD49b granulocytes as compared to controls (P < 0.05). While
the severity of pressure ulcers was not significantly different between the two
groups on admission, severity increased significantly over time for the control
group (P < 0.05), but not for the study group. The present study suggests that a
fish oil- and micronutrient-enriched formula may prevent worsening of pressure
ulcers and that this effect may be mediated by an effect on adhesion molecule
expression"
-
Do
long-chain n-3 fatty acids reduce arterial stiffness? A meta-analysis of
randomised controlled trials - Br J Nutr. 2011 Oct;106(7):974-80 -
"A total of ten n-3 trials met the final inclusion
criteria; four using pulse wave velocity (PWV) and six using arterial
compliance, measured as capacitive compliance or systemic arterial compliance,
as respective outcome measures. Meta-analysis revealed that n-3 was
statistically significant in effectively improving both PWV (g = 0.33; 95 % CI
0.12, 0.56; P < 0.01) and arterial compliance (g = 0.48; 95 % CI 0.24, 0.72; P <
0.001). There was no evidence of heterogeneity or publication bias. Results were
not influenced by changes in blood pressure, heart rate or BMI. The findings of
the present study reveal that supplementation with n-3 offers a scientifically
supported means of reducing arterial stiffness. Reduction in arterial stiffness
by n-3 may account for some of its purported cardioprotective effects" -
See
Mega Twin EPA at Amazon.com
and
Jarrow Max DHA at Amazon.com.
-
Omega-3
Fatty Acids Eicosapentaenoic Acid and Docosahexaenoic Acid in the Management of
Hypercalciuric Stone Formers - Urology. 2011 Oct 13 -
"All patients received empiric dietary recommendations
for intake of fluids, sodium, protein, and citric juices. All subjects with
hypercalciuria (urinary calcium >250 mg/d for males or >200 mg/d for females) on
at least two 24-hour urine collections were counseled to supplement their diet
with fish oil (1200 mg/d) ... Twenty-nine patients were followed for 9.86 +/-
8.96 months. The mean age was 43.38 +/- 13.78 years. Urinary calcium levels
decreased in 52% of patients, with 24% converting to normocalciuria. The average
urinary calcium (mg/d) decreased significantly from baseline (329.27 +/- 96.23
to 247.47 +/- 84.53, P <.0001). Urinary oxalate excretion decreased in 34% of
patients. The average urinary oxalate (mg/d) decreased significantly from
baseline (45.40 +/- 9.90 to 32.9 +/- 8.21, P = .0004). Urinary citrate (mg/d)
increased in 62% of subjects from baseline (731.67 +/- 279.09 to 940.22 +/-
437.54, P = .0005). Calcium oxalate supersaturation decreased in 38% of the
subjects significantly from baseline (9.73 +/- 4.48 to 3.68 +/- 1.76, P = .001)"
-
Effects of
n-3 fatty acids, EPA v. DHA, on depressive symptoms, quality of life, memory and
executive function in older adults with mild cognitive impairment: a 6-month
randomised controlled trial - Br J Nutr. 2011 Sep 20:1-12 -
"Depressive symptoms may increase the risk of
progressing from mild cognitive impairment (MCI) to dementia. Consumption of n-3
PUFA may alleviate both cognitive decline and depression ... A total of fifty
people aged >65 years with MCI were allocated to receive a supplement rich in
EPA (1.67 g EPA+0.16 g DHA/d; n 17), DHA (1.55 g DHA+0.40 g EPA/d; n 18) or the
n-6 PUFA linoleic acid (LA; 2.2 g/d; n 15). Treatment allocation was by
minimisation based on age, sex and depressive symptoms (Geriatric Depression
Scale, GDS). Physiological and cognitive assessments, questionnaires and fatty
acid composition of erythrocytes were obtained at baseline and 6 months
(completers: n 40; EPA n 13, DHA n 16, LA n 11). Compared with the LA group, GDS
scores improved in the EPA (P = 0.04) and DHA (P = 0.01) groups and verbal
fluency (Initial Letter Fluency) in the DHA group (P = 0.04). Improved GDS
scores were correlated with increased DHA plus EPA (r 0.39, P = 0.02). Improved
self-reported physical health was associated with increased DHA. There were no
treatment effects on other cognitive or QOL parameters. Increased intakes of DHA
and EPA benefited mental health in older people with MCI. Increasing n-3 PUFA
intakes may reduce depressive symptoms and the risk of progressing to dementia.
This needs to be investigated in larger, depressed samples with MCI"
-
n-3 PUFA
prevent metabolic disturbances associated with obesity and improve endothelial
function in golden Syrian hamsters fed with a high-fat diet - Br J Nutr.
2011 Sep 16:1-11 - "In conclusion, n-3 PUFA prevent some
metabolic disturbances induced by high-fat diet and improve endothelial function
in hamsters"
-
Dietary
{alpha}-linolenic acid, linoleic acid, and n-3 long-chain PUFA and risk of
ischemic heart disease - Am J Clin Nutr. 2011 Aug 24 -
"α-linolenic acid (ALA, 18:3n-3) ... Four hundred
seventy-one cases of IHD were observed during a median follow-up period of 23.3
y. Higher intake of ALA was not significantly associated with decreased risk of
IHD among women or men. Although the HR of IHD was stepwise decreased with
increasing ALA intake in men [0.84 (95% CI: 0.62, 1.14) in the medium compared
with the lowest tertile (reference) and 0.83 (95% CI: 0.56, 1.24) in the highest
compared with the lowest tertile], this change was far from significant
(P-trend: 0.39). No evidence of effect modification by n-3 LC-PUFA or LA was
observed. High n-3 LC-PUFA intake, in comparison with low intake, was inversely
associated with risk of IHD; this trend was significant in women (P = 0.04; HR:
0.62; 95% CI: 0.40, 0.97) but not in men (P = 0.15; HR: 0.74; 95% CI: 0.51,
1.06). No associations were observed between intake of LA and risk of IHD"
- Note: α-linolenic acid (ALA, 18:3n-3) is the form of omega-3 found in things
like vegetable and flax seeds, linoleic acid (LA, 18:2 n-6) is what's in most
vegetable oils like corn and soy.
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