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Recent Longevity News for the seven days ending 6/16/10.  You should consult your doctor if you are taking any medications.

HDL Cholesterol and Cancer - Medscape, 6/15/10 - "even after adjustment for multiple variables, there was a 36% lower risk of cancer for every 10-mg/dL increase in HDL cholesterol" - See niacin at Amazon.com.

Replacing white rice with brown rice or other whole grains may reduce diabetes risk - Science Daily, 6/14/10 - "replacing 50 grams of white rice (just one third of a typical daily serving) with the same amount of brown rice would lower risk of type 2 diabetes by 16%. The same replacement with other whole grains, such as whole wheat and barley, was associated with a 36% reduced risk" - See brown rice pasta at Amazon.com.

Popular blood pressure pills linked to cancer - MSNBC, 6/13/10 - "experts found a link between people taking medicines known as angiotensin-receptor blockers ... one extra cancer case will occur for every 105 people taking the medications for about four years ... The maker of the most-used drug in the study ... it had "internal safety data" contradicting the Lancet study. According to studies run by the pharmaceutical, there was no link between increased cancer risk and Micardis ... Scientists aren't sure why ARBs might raise the possibility of developing cancer, though some animal studies suggest the medications help produce new blood vessels, which would speed tumor growth" - Note:  New blood vessels can be a good thing like with heart disease (2) and PAD and increased endurance so it may be sacrificing one thing for another.

Probiotics may help fat and weight loss: Study - Nutra USA, 6/11/10 - "Twelve weeks of consuming a fermented milk product containing the Lactobacillus strain was associated with a 4.6 per cent reduction in abdominal fat, and a 3.3 per cent reduction in subcutaneous fat" - [Abstract]

  • See Yogourmet Electric Yogurt Maker - I've had a lot of yogurt makers over the years but this is the best one I've found.  I mix two cups of Nestle Nido Instant Dry Whole Milk (available at Amazon) with two cups of dry skim milk in a blender.  Lately I've been making it with Activa. I believe it's only sold flavored but I've been using the strawberry flavored Activa.  I put the milk powders in a blender then fill it with water and blend.  Then add one container of the Activa and blend fast one more time (not to kill the culture).  Then pour it into the jar and fill the jar to the top with additional water and leave it in the yoghurt maker for 13 hours.  I mix the finished product with Smucker's Strawberry Orchard's Finest.  If your worried about the BPA's from the plastic container, see Widemouth Clear Half Gallon Glass Jar (64oz) w/ White Metal Lid  at specialtybottles.com.
  • Activia by Dannon - "Specialists at Dannon® selected Bifidus Regularis™ for Activia® because it survives passage through the digestive tract, arriving in the colon as a living culture. Once there, it plays a beneficial role in your intestinal ecosystem"
  • Implies that bad bacteria in the gut may be the cause of colon cancer:  Bacteria as a predicter of colorectal cancer - Science Daily, 5/25/10 - "Several bacterial signatures were detected only in subjects with polyps, others only in subjects without polyps. Eubacterium ramulus was increased in the stools of subjects with polyps while Ruminococcus sp and a human intestine firmicute were increased in subjects without polyps. In tissue samples, Acidovorax sp. was found more frequently in subjects with polyps. Other bacterial signatures that differed between cases and controls were observed but did not match any know bacteria, suggesting unidentified and uncharacterized bacteria are also present"

Vitamin D Exposure in Childhood Linked to Age at Onset of MS - Medscape, 6/10/10 - "For those living in low– to medium–solar radiation areas, the researchers found a significant association between earlier age at onset of symptoms and sun exposure in the fall/winter season between the ages of 6 and 15 years (2.3 years average earlier onset; P = .01). Intake of cod liver oil during childhood produced a 3-year delay in onset"

Polyphenols in red wine and green tea halt prostate cancer growth, study suggests - Science Daily, 6/9/10 - "The profound impact that the antioxidants in red wine and green tea have on our bodies is more than anyone would have dreamt just 25 years ago," Weissmann added. "As long as they are taken in moderation, all signs show that red wine and green tea may be ranked among the most potent 'health foods' we know." - See resveratrol products at Amazon.com and green tea extract at Amazon.com.

Most cans of food contain controversial BPA - MSNBC, 6/9/10 - "BPA, or bisphenol A, is ubiquitous. Simply put, just about anything you eat that comes out of a can — from Campbell's Chicken Soup and SpaghettiOs to Diet Coke and BumbleBee Tuna — contains the same exact chemical ... The exposure to BPA from canned food "is far more extensive" than from plastic bottles, said Shanna Swan, a professor and researcher at the University of Rochester in New York. "It's particularly concerning when it's lining infant formula cans.""

Link between depression, abdominal obesity confirmed by new study - Science Daily, 6/9/10 - "cortisol, a stress hormone, is related to depression and abdominal obesity. "So, there is reason to suspect that people who are depressed would have higher levels of abdominal obesity versus other parts of the body because of elevated cortisol,""

Telomeres: Size matters when it comes to DNA - Science Daily, 6/9/10 - "Telomere shortening can be reversed in two specific ways: ... a protein termed telomerase can directly add new DNA to the end of telomeres ... The second method is much less understood but most likely involves the copying of information from one telomere to another"

New evidence that drinking coffee may reduce the risk of diabetes - Science Daily, 6/9/10 - "The scientists fed either water or coffee to a group of laboratory mice commonly used to study diabetes. Coffee consumption prevented the development of high-blood sugar and also improved insulin sensitivity in the mice, thereby reducing the risk of diabetes. Coffee also caused a cascade of other beneficial changes in the fatty liver and inflammatory adipocytokines related to a reduced diabetes risk. Additional lab studies showed that caffeine may be "one of the most effective anti-diabetic compounds in coffee,""

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):

Do high ferritin levels confer lower cardiovascular risk in men with Type 2 diabetes? - Diabet Med. 2010 Apr;27(4):417-22 - "were divided according to ferritin quartiles (Q) as follows: QI-III, normal ferritin (NF; n = 318), mean +/- 1 sd ferritin 133 +/- 72 ng/ml; and QIV patients, high ferritin (HF; n = 106), ferritin 480 +/- 228 ng/ml ... the prevalence of macroangiopathy was unexpectedly much lower in patients with high ferritin, as follows: 25% vs. 43% for overall macroangiopathy; 7% vs. 16% for peripheral artery disease; and 16% vs. 31% for coronary artery disease (P = 0.0009, P = 0.0140 and P = 0.0035, respectively, vs. NF patients). Insulin resistance index and prevalence of liver steatosis were higher in HF compared with NF patients as follows: 2.17% vs. 1.89% and 78% vs. 64% (P = 0.0345 and P = 0.0059, respectively). Liver enzymes (aspartate aminotransferase, alanine aminotransferase and gamma-glutamyl transferase) were significantly higher in HF, by 33%, 42% and 72%, respectively (all P < 0.0002), suggesting a higher prevalence of steatohepatitis ... Our results demonstrate that T2DM males with high ferritin levels exhibit a markedly decreased prevalence of macroangiopathy, despite more severe insulin resistance and higher markers of steatohepatitis. High ferritin levels and/or steatosis may thus paradoxically confer a lowered cardiovascular risk in diabetic males" - See Slow Fe Slow Release Iron Tablets 90-Count Box at Amazon.com.

Reduction of Prostate-specific Antigen After Tamsulosin Treatment in Patients With Elevated Prostate-specific Antigen and Lower Urinary Tract Symptoms Associated With Low Incidence of Prostate Cancer at Biopsy - Urology. 2010 Jun 8 - "A total of 80 patients completed the present study. The mean patient age was 66.3 years, and the mean PSA level was 7.8 +/- 8.4 ng/mL at baseline and 7.1 +/- 9.1 ng/mL after treatment (P < .001). A total of 29 patients (36.25%) were diagnosed with prostate cancer from the biopsy findings. A significant increment in the PSA level was observed in patients with prostate cancer (6.7 versus 7.9 ng/mL; P = .002). A significant decrease in the PSA level was observed in patients with negative biopsy findings (6.9 versus 5.1 ng/mL, P = .000). Of the 38 patients with a decrease in the PSA level, 1 (2.6%) was diagnosed with prostate cancer and 37 (97.4%) with an benign prostatic hyperplasia/prostatitis. Of the 42 patients with no change in the PSA level, 28 (66.7%) had prostate cancer and 14 (33.3%) had negative findings. A change in PSA level after treatment gave a sensitivity of 96.6%, specificity of 72.5%, and diagnostic accuracy of 81% for prostate cancer. CONCLUSIONS: Treatment with tamsulosin seemed to reduce the PSA levels and identified patients at high risk of prostate cancer" - Note: Tamsulosin is Flomax.

Vitamin D deficiency and frailty in older Americans - J Intern Med. 2010 Apr 28 - "Nationally representative survey of noninstitutionalized US residents collected between 1988 and 1994. Results. 25-Hydroxyvitamin D deficiency, defined as a serum concentration <15 ng mL(-1), was associated with a 3.7-fold increase in the odds of frailty amongst whites and a fourfold increase in the odds of frailty amongst non-whites. This association persisted after sensitivity analyses adjusting for season of the year and latitude of residence, intended to reduce misclassification of persons as 25-hydroxyvitamin D deficient or insufficient. Conclusion. Low serum 25-hydroxyvitamin D concentrations are associated with frailty amongst older adults" - See vitamin D at Amazon.com.

During testosterone administration, total and free E2 levels increased dose-dependently (dose effect, P < 0.001) in both young and older men - J Clin Endocrinol Metab. 2010 Jun 9 - "During testosterone administration, total and free E2 levels increased dose-dependently (dose effect, P < 0.001) in both young and older men" - From a previous newsletter:

Regulation of abdominal adiposity by probiotics (Lactobacillus gasseri SBT2055) in adults with obese tendencies in a randomized controlled trial - Eur J Clin Nutr. 2010 Jun;64(6):636-43 - "fermented milk (FM) ... In the active FM group, abdominal visceral and subcutaneous fat areas significantly (P<0.01) decreased from baseline by an average of 4.6% (mean (confidence interval): -5.8 (-10.0, -1.7) cm(2)) and 3.3% (-7.4 (-11.6, -3.1) cm(2)), respectively. Body weight and other measures also decreased significantly (P<0.001) as follows: body weight, 1.4% (-1.1 (-1.5, -0.7) kg); BMI, 1.5% (-0.4 (-0.5, -0.2) kg/m(2)); waist, 1.8% (-1.7 (-2.1, -1.4) cm); hip, 1.5% (-1.5 (-1.8, -1.1) cm). In the control group, by contrast, none of these parameters decreased significantly. High-molecular weight adiponectin in serum increased significantly (P<0.01) in the active and control groups by 12.7% (0.17 (0.07, 0.26) microg/ml) and 13.6% (0.23 (0.07, 0.38) microg/ml), respectively. CONCLUSION: The probiotic LG2055 showed lowering effects on abdominal adiposity, body weight and other measures, suggesting its beneficial influence on metabolic disorders"

Calorie restriction: what recent results suggest for the future of ageing research - Eur J Clin Invest. 2010 May;40(5):440-50 - "the search for substances that can reproduce the beneficial physiologic responses of CR without a requisite calorie intake reduction, termed CR mimetics (CRMs), has gained momentum. Material and methods Recent articles describing health and lifespan results of CR in nonhuman primates and short-term human studies are discussed. Additional consideration is given to the rapidly expanding search for CRMs. Results The first results from a long-term, randomized, controlled CR study in nonhuman primates showing statistically significant benefits on longevity have now been reported. Additionally, positive results from short-term, randomized, controlled CR studies in humans are suggestive of potential health and longevity gains, while test of proposed CRMs (including rapamycin, resveratrol, 2-deoxyglucose and metformin) have shown both positive and mixed results in rodents"

Consumption of omega-3 fatty acids and fish and risk of age-related hearing loss - Am J Clin Nutr. 2010 Jun 9 - "There was an inverse association between total n-3 PUFA intake and prevalent hearing loss [odds ratio (OR) per SD increase in energy-adjusted n-3 PUFAs: 0.89; 95% CI: 0.81, 0.99]. There was an inverse association between long-chain n-3 PUFAs and incident hearing loss (OR per SD increase in long-chain n-3 PUFAs: 0.76; 95% CI: 0.60, 0.97). Participants who had >/=2 servings of fish/wk compared with participants who had <1 serving of fish/wk had a significantly reduced risk (42%) of developing presbycusis at follow-up (multivariate-adjusted OR: 0.58; 95% CI: 0.35, 0.95). There was an association between consumption of >/=1 to <2 servings/wk of fish and a reduced risk of a progression of hearing loss (OR: 0.53; 95% CI: 0.32, 0.88). CONCLUSIONS: There was an inverse association between higher intakes of long-chain n-3 PUFAs and regular weekly consumption of fish and hearing loss. Dietary intervention with n-3 PUFAs could prevent or delay the development of age-related hearing loss" - [Nutra USA] - See Mega Twin EPA at Amazon.com and Jarrow Max DHA at Amazon.com.

Blood concentration of methylmercury in relation to food consumption - Public Health Nutr. 2010 Jun 8:1-10 - "Mean (range) blood MeHg concentration was 4.6 (0.21-22) mug/l among men and 2.8 (<0.15-20) mug/l among women. Fish had the strongest positive association with MeHg (P for linear trend <0.001 among both men and women). Among men, positive associations were also observed for fruit vegetables, wheat and wine. Among women, positive associations were observed for root vegetables, legumes, potato and game, but adjustment for fish consumption attenuated these trends. CONCLUSIONS: The study shows that, besides fish, MeHg may have other dietary sources that should be taken into account in risk assessment studies" - Note:  It's something to think about if you're worried about the mercury in the flu vaccine, you're getting mercury in just about everything else also.

Differences in antioxidant levels of fresh, frozen and freeze-dried strawberries and strawberry jam - Int J Food Sci Nutr. 2010 Jun 9 - "total antioxidant activity (TAA) ... The mean TAA for freeze-dried strawberries based on an 'as consumed' weight (95% confidence interval [CI]: 29.58, 30.58) was significantly higher than for fresh (95% CI: 3.18, 3.66), frozen (95% CI: 2.58, 2.79), and jam (95% CI: 1.10, 1.22). The mean TAA based on dry weight for fresh strawberries (95% CI: 40.48, 46.67) was significantly higher than for freeze-dried (95% CI: 29.58, 30.58), frozen (95% CI: 24.62, 26.59), and jam (95% CI: 1.48, 1.64). Results agree with previous studies reporting that strawberries are a valuable source of antioxidants for consumers"

Phosphatidylserine Containing omega-3 Fatty Acids May Improve Memory Abilities in Non-Demented Elderly with Memory Complaints: A Double-Blind Placebo-Controlled Trial - Dement Geriatr Cogn Disord. 2010 Jun 3;29(5):467-474 - "The results indicate that PS-DHA may improve cognitive performance in non-demented elderly with memory complaints. Post-hoc analysis of subgroups suggests that participants with higher baseline cognitive status were most likely to respond to PS-DHA" - See Jarrow Max DHA at Amazon.comand phosphatidylserine products at iHerb.

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