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Recent Longevity News for the seven days ending 10/28/09.  You should consult your doctor if you are taking any medications.

Vitamin D supplements show anti-diabetes potential - Nutra USA, 10/27/09 - "At the end of the test period, women in the vitamin D group experienced “significant improvements” in both insulin sensitivity and resistance, said the researchers, which was also accompanied a decrease in fasting insulin levels, compared to placebo" - [Abstract] - See vitamin D products at iHerb.

Pomegranate’s prostate protection potential grows - Nutra USA, 10/27/09 - "Pomegranate juice consumption, thus, may be of considerable advantage in prostate cancer chemoprevention, not only in patients with a genetic predisposition toward prostate cancer but also in patients undergoing cancer therapy" - See pomegranate Juice Extracts at iHerb.

Weekly And Biweekly Vitamin D2 Prevents Vitamin D Deficiency - Science Daily, 10/26/09 - "50,000 International Units (IU) of vitamin D2, given weekly for eight weeks, effectively treats vitamin D deficiency" - Note:

Herbal Tonic For Radiotherapy? Gingko Biloba Tree May Protect Cells From Radiation Damage - Science Daily, 10/26/09 - "They found that there was a significant increase in apoptosis in the untreated cells compared with those treated with G. biloba extract. Almost a third of the untreated cells underwent apoptosis compared with approximately one in twenty of the treated cells. Parallel studies with laboratory mice also demonstrated a similar protective effect against radiation poisoning" - See ginkgo biloba products at iHerb.

Vitamin D Levels Are Too Low In Millions Of US Children, Latest Analysis Confirms - Science Daily, 9/26/09 - "roughly 20 percent of all children fell below the recommended 50 nmol/L. Moreover, more than two-thirds of all children had levels below 75 nmol/L, including 80 percent of Hispanic children and 92 percent of non-Hispanic black children ... If 75 nmol/L or higher is eventually demonstrated to be the healthy normal level of vitamin D, then there is much more vitamin D deficiency in the U.S. than people realize" - vitamin D products at iHerb.

Drinking Coffee Slows Progression Of Liver Disease In Chronic Hepatitis C Sufferers, Study Suggests - Science Daily, 10/24/09 - "Patients with chronic hepatitis C and advanced liver disease who drink three or more cups of coffee per day have a 53% lower risk of liver disease progression than non-coffee drinkers"

Omega-3 deficiency may be hurting our hearts - MSNBC, 10/23/09 - "Studies show that these special fatty acids accumulate in the brain and can aid children with learning disabilities, reduce violence in prison populations, and even improve everyday mood ... How could omega-3s possibly be this powerful? Scientists believe it's because Americans are suffering from a widespread deficiency. A recent study conducted by Dariush Mozaffarian, MD, of the Harvard School of Public Health, found that the absence of these fatty acids in our diet is responsible annually for up to 96,000 premature deaths in this country" - See Mega Twin EPA at iHerb and Jarrow Max DHA at iHerb.

Amino Acid May Help Reduce Cocaine Cravings - Science Daily, 10/23/09 - "N-acetylcysteine (NAC), a commonly available and generally nontoxic amino acid derivative, reverses changes in the brain's circuitry associated with cocaine addiction. The reversal appears to lessen the cravings associated with cocaine, thus providing protection against relapse" - See NAC products at iHerb.

How Low Doses Of Radiation Can Cause Heart Disease And Stroke - Science Daily, 10/22/09 - "If the mechanism is valid it implies that risks from low dose radiation exposures (e.g., medical and dental X-rays), which until now have been assumed to result only from cancer, may have been substantially underestimated"

Trigger Of Deadly Food Toxin Discovered; Finding Could Help Prevent Liver Cancer - Science Daily, 10/21/09 - "A toxin produced by mold on nuts and grains can cause liver cancer if consumed in large quantities ... Because of lax or nonexistent regulation, 4.5 billion people in developing countries are chronically exposed to vast amounts of this toxin, called aflatoxin -- often hundreds of times higher than safe levels"

Phytochemicals In Plant-based Foods Could Help Battle Obesity, Disease - Science Daily, 10/21/09 - "Eating more plant-based foods, which are rich in substances called phytochemicals, seems to prevent oxidative stress in the body, a process associated with obesity and the onset of disease ... Diets low in plant-based foods affect health over the course of a long period of time ... This is related to annual weight gain, low levels of inflammation and oxidative stress. Those are the onset processes of disease that debilitate people later in life"

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):

Vitamin D supplementation reduces insulin resistance in South Asian women living in New Zealand who are insulin resistant and vitamin D deficient - a randomised, placebo-controlled trial - Br J Nutr. 2009 Sep 28:1-7 - "In conclusion, improving vitamin D status in insulin resistant women resulted in improved IR and sensitivity, but no change in insulin secretion. Optimal vitamin D concentrations for reducing IR were shown to be 80-119 nmol/l, providing further evidence for an increase in the recommended adequate levels" - See vitamin D products at iHerb.

Citrus fruit and cancer risk in a network of case-control studies - Cancer Causes Control. 2009 Oct 24 - "The ORs for the highest versus lowest category of citrus fruit consumption were 0.47 (95% confidence interval, CI, 0.36-0.61) for oral and pharyngeal, 0.42 (95% CI, 0.25-0.70) for esophageal, 0.69 (95% CI, 0.52-0.92) for stomach, 0.82 (95% CI, 0.72-0.93) for colorectal, and 0.55 (95% CI, 0.37-0.83) for laryngeal cancer"

Antiaging, longevity and calorie restriction - Curr Opin Clin Nutr Metab Care. 2009 Oct 21 - "Major negative effects in humans were loss of muscle mass, muscle strength and loss of bone ... Dietary restriction in rodents has not been shown to be effective when started in older rodents. Weight loss in humans over 60 years of age is associated with increased mortality, hip fracture and increased institutionalization. Calorie restriction in older persons should be considered experimental and potentially dangerous. Exercise at present appears to be a preferable treatment for older persons"

Oral L-Citrulline Supplementation Attenuates Blood Pressure Response to Cold Pressor Test in Young Men - Am J Hypertens. 2009 Oct 22 - "Compared to placebo, oral L-citrulline treatment decreased (P < 0.05) brachial SBP (-6 +/- 11 mm Hg), aortic SBP (-4 +/- 10 mm Hg), and aortic PP (-3 +/- 6 mm Hg) during CPT but not at rest. There was an inverse correlation (r = -0.40, P < 0.05) between changes in aortic SBP and Tr during CPT after L-citrulline supplementation" - See L-citrulline products at iHerb.

Regulation of nitric oxide production in health and disease Curr Opin Clin Nutr Metab Care. 2009 Oct 16 - "The role of the cofactor tetrahydrobiopterin in nitric oxide production and its relation with arginine availability is indicated as an important explanation for the arginine paradox. This offers potential for nitric oxide regulation by dietary factors such as arginine or its precursors and vitamin C. Because diets with a high saturated fat content induce high plasma fatty acid levels, endothelial nitric oxide production is often impaired due to a reduction in nitric oxide synthase 3 phosphorylation. Increasing the arginine availability by arginine therapy or arginase inhibition was, therefore, proposed as a potential therapy to treat hypertension. Recent studies in septic patients and transgenic mice models found that inadequate de-novo arginine production from citrulline reduces nitric oxide production. Citrulline supplementation may, therefore, be a novel therapeutic approach in conditions of arginine deficiency" - See Jarrow Formulas, Arginine 1000, 1000 mg, 100 Easy-Solv Tablets at iHerb and l-citrulline products at iHerb.

Neat Tech Stuff :

Health Focus (Depression):

Popular Medications:

Popular Supplements:

Neurotransmitters in Various Disorders:
  Major Depressive Disorder Generalized Anxiety Disorder Panic Obsessive Compulsive Disorder Premenstrual Dysphoric Disorder Phobia Smoking ADHD Obesity
Serotonin X X X X X X      
Norepinephrine X X X     X X X X
Dopamine X           X X X
Source: American Psychiatric Association 155th Annual Meeting, May 18 - 23, 2002

Alternative News:

Depression and Endocrinology:

Other News:

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