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Recent Longevity News for the seven days ending 4/7/10.  You should consult your doctor if you are taking any medications.

Omega-3: Healthy no matter what? - Science Daily, 4/6/10 - :"Rancid fish oil smells bad and tastes so awful that no-one would want to swallow it. But if the fish oil is in capsules, it is impossible to smell if it is rancid or not. That is why it is important for us to examine whether rancid fish oil is less beneficial to health, or, at worst, harmful to anyone who takes it ... One of the possible negative impacts of ingesting rancid fish oil to which Frøyland is referring is what is known as oxidative stress in the cell membrane, i.e. where oxidants break down the cell membrane ... fish oil from capsules caused oxidation of the cell membrane, even when antioxidants had been added and when the capsules still had over a year left before their expiration date. Juice containing omega-3, on the other hand, produced no oxidation ... The fish oil in Smartfish products comes from the company Marine Harvest Ingredients AS and is manufactured from the discards from salmon production -- within an hour of the salmon being slaughtered" - That's why I don't buy cheap band X brands when I buy supplements. - Ben

Endocrine disruptors: Babies absorb the most bisphenol A - Science Daily, 4/5/10 - "The study revealed that babies and infants absorb the most BPA. Babies fed using PC bottles are the worst affected, on average taking in 0.8 micrograms of BPA per kilogram of body weight via bottles. This amount is well below the statutory minimum. "But the latest studies on rats have shown that even low doses can have a harmful impact on the development of the animals,""

Vitamin D may save 40,000 Canadian lives per year - Nutra USA, 4/2/10 - "The results of this study strongly suggest that the personal and economic burden of disease in Canada could be significantly reduced if the mean serum 25(OH)D level was increased from its current level of 67 nmol/L to the optimal level of 105nmol/L" - [Abstract] - See vitamin D at Amazon.com.

Smoking is dumb: Young men who smoke have lower IQs, study finds - Science Daily, 4/2/10 - "The average IQ for a non-smoker was about 101, while the smokers' average was more than seven IQ points lower at about 94, the study determined. The IQs of young men who smoked more than a pack a day were lower still, at about 90. An IQ score in a healthy population of such young men, with no mental disorders, falls within the range of 84 to 116"

Blueberries may protect muscles from exercise damage - Nutra USA, 4/2/10 - "Although it is difficult to deduce the biological significance of the data presented here from in vitro studies, one may speculate that consumption of blueberry fruit polyphenolics and particularly malvidin glycosides may be beneficial in alleviating the damaging consequences of oxidative stress in muscle tissue" - [Abstract] - See blueberry extract at Amazon.com.

Elevated CRP Level Linked to Decline in Executive Function and Frontal Lobe Damage - Medscape, 4/1/10 - "They found that higher levels of hs-CRP were associated with worse performance on tests of executive function, even after adjustment for age, sex, education, and cardiovascular risk factors. "It's not like these people are really cognitively impaired," Dr. Wersching emphasized, "but it's just they do worse than people who have a lower CRP.""

Higher Vitamin D Levels Linked to Lower Risk for Female Pelvic Floor Disorders - Medscape, 4/1/10 - "In women at least 50 years old with vitamin D levels of 30 ng/mL or higher (OR, 0.55; 95% CI, 0.34 - 0.91), the likelihood of urinary incontinence was significantly reduced" - See vitamin D at Amazon.com.

The Perils of Plastic - Environmental Toxins - Time Magazine, 4/1/10 - "The levels observed are considered well below the federal safety threshold of 50 micrograms per kg of body weight per day. But that recommendation was made 22 years ago, and in the time since, scientists have learned more about the effects of even a bit of BPA. In 1998, Patricia Hunt, a geneticist at Washington State University, found that female mice dosed with BPA had serious reproductive problems, including defective eggs. More recently, she published a study showing that the offspring of mice exposed to BPA while pregnant can end up with corrupted eggs, a situation that leads to trouble for their offspring ... As a synthetic estrogen, BPA can mimic hormones, those powerful chemicals, like testosterone and adrenaline, that run the body. Tiny amounts of hormones produce immense biological and behavioral changes" -See Stainless Steel Water Bottles at Amazon.com.  Also I've been replacing plastic containers with jars at Specialty Bottle.  Click here for wide mouth short.  Click here for jars that fit the Yogourmet yogurt maker.  Also, Pyrex products at Amazon.com.  I see at least one with glass lids.  Also Go Green GlassLock.

Vitamin D shows promise against seasonal ‘flu: Study - Nutra USA, 4/1/10 - "daily supplements of vitamin D3 reduced the influence of seasonal ‘flu (influenza A) by over 40 per cent ... The benefits of vitamin D supplementation were even more noticeable in children who had low levels of vitamin D at the start of the study, with a 74 per cent reduction in the incidence of ‘flu observed" - [Abstract] - See vitamin D at Amazon.com.

EPA: Bisphenol A Is a 'Chemical Concern' - WebMD, 3/31/10 - "Some experts are concerned that exposure to BPA and its weak estrogen-like effects during critical periods of human development may be associated with a wide range of health problems, including behavioral effects, reproductive problems, cancer, heart disease, and diabetes" -See Stainless Steel Water Bottles at Amazon.com.

Small amounts of chocolate lower BP, cut strokes and MIs - theheart.org, 3/31/10 - "those who ate the most chocolate—around 7.5 g per day—had a 39% lower risk of MI and stroke than individuals who ate almost no chocolate (1.7 g per day) ... It's important to read the small print with this study. The amount consumed on average by even the highest consumers was about one square of chocolate a day or half a small chocolate Easter egg in a week, so the benefits were associated with a fairly small amount of chocolate ... Before you rush to add dark chocolate to your diet, be aware that 100 g of dark chocolate contains roughly 500 calories"

Avodart May Lower Prostate Cancer Risk - WebMD, 3/31/10 - "those who took the drug Avodart had a 23% lower risk of being diagnosed with prostate cancer over four years of treatment, compared to men who did not take the drug" - See Avodart (dutasteride) at OffshoreRx1.com.

Sharp Rise in HPV-Related Oropharyngeal Carcinoma -- A Legacy of the "Sexual Revolution"? - Medscape, 3/30/10 - "The incidence of oropharyngeal carcinoma related to human papillomavirus (HPV) has been increasing in recent years, and there is speculation that this is the result of the "sexual revolution" of the 1960s" - Tell me about it (click here).  I passed the 5 year mark in February.  Somehow I made it through that with just a scratch.  See: Cancerous Growths: Mouth Growths - "if the cancer has spread to lymph nodes, the 5-year survival rate is only 25%"

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):

Eicosapentaenoic acid reduces rectal polyp number and size in familial adenomatous polyposis - Gut. 2010 Mar 26 - "Treatment with EPA-FFA for 6 months was associated with a mean 22.4% (95% CI 5.1% to 39.6%) reduction in polyp number (p=0.012) and a 29.8% (3.6% to 56.1%) decrease in the sum of polyp diameters (p=0.027). Global polyp burden worsened over 6 months in the placebo group (-0.34) unlike the EPA-FFA group (+0.09, difference 0.42 (0.10-0.75), p=0.011) ... EPA-FFA has chemopreventative efficacy in FAP, to a degree similar to that previously observed with selective cyclo-oxygenase-2 inhibitors. EPA holds promise as a colorectal cancer chemoprevention agent with a favourable safety profile" - See Mega Twin EPA at Amazon.com and Jarrow Max DHA at Amazon.com.

A "Hot" Topic in Dyslipidemia Management--"How to Beat a Flush": Optimizing Niacin Tolerability to Promote Long-term Treatment Adherence and Coronary Disease Prevention - Mayo Clin Proc. 2010 Apr;85(4):365-79 - "Approximately 5% to 20% of patients discontinued treatment because of flushing. Flushing may be minimized by taking niacin with meals (or at bedtime with a low-fat snack), avoiding exacerbating factors (alcohol or hot beverages), and taking 325 mg of aspirin 30 minutes before niacin dosing. The current review advocates an initially slow niacin dose escalation from 0.5 to 1.0 g/d during 8 weeks and then from 1.0 to 2.0 g in a single titration step (if tolerated). Through effective counseling, treatment prophylaxis with aspirin, and careful dose escalation, adherence to niacin treatment can be improved significantly"

Blueberry fruit polyphenolics suppress oxidative stress-induced skeletal muscle cell damage in vitro - Mol Nutr Food Res. 2010 Mar;54(3):353-63 - "These in vitro data support the concept that blueberry fruits or derived foods rich in malvidin glycosides may be beneficial in alleviating muscle damage caused by oxidative stress" - See blueberry extract at Amazon.com.

Randomized trial of vitamin D supplementation to prevent seasonal influenza A in schoolchildren - Am J Clin Nutr. 2010 Mar 10 - "Influenza A occurred in 18 of 167 (10.8%) children in the vitamin D(3) group compared with 31 of 167 (18.6%) children in the placebo group [relative risk (RR), 0.58; 95% CI: 0.34, 0.99; P = 0.04]. The reduction in influenza A was more prominent in children who had not been taking other vitamin D supplements (RR: 0.36; 95% CI: 0.17, 0.79; P = 0.006) and who started nursery school after age 3 y (RR: 0.36; 95% CI: 0.17, 0.78; P = 0.005). In children with a previous diagnosis of asthma, asthma attacks as a secondary outcome occurred in 2 children receiving vitamin D(3) compared with 12 children receiving placebo (RR: 0.17; 95% CI: 0.04, 0.73; P = 0.006)" - See vitamin D at Amazon.com.

Widespread Vitamin D Deficiency in Urban Massachusetts Newborns and Their Mothers - Pediatrics. 2010 Mar 22 - "Overall, 58.0% of the infants and 35.8% of the mothers were vitamin D deficient" - See vitamin D at Amazon.com.

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