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Recent Longevity News for the seven days ending 5/6/09.  You should consult your doctor if you are taking any medications.

Statin Drugs May Protect Against Cancer And Also Result in Fewer Gallbladder Removals - Science Daily, 5/5/09 - "The research team found a significant inverse association between having statin prescriptions filled and the risk of developing HCC. There was a trend toward stronger risk reduction with longer and more frequent statin prescriptions"

Tea For The Treatment Of Type-2 Diabetes - Science Daily, 5/5/09 - "The research subjects drank 750ml of tea each day. The cure appears to differentiate itself from other current type-2 diabetes treatments because the tea does not initially affect the sugar content of the blood. But after four months of treatment with tea we can, however, see a significant increase in glucose tolerance ... 'n the patient group who drank the tea, the number of polyunsaturated fatty acids increased. That is good for the body's cells because the polyunsaturated fat causes the cell membranes to be more permeable, which results in the cells absorbing glucose better from the blood" - See green tea extract at Amazon.com.

B6 may slash colorectal cancer risk: Harvard study - Nutra USA, 5/5/09 - "increased intakes of vitamin B6 from dietary and supplements may reduce the risk of colorectal cancer by over 20 per cent (Cancer Epidemiol Biomarkers Prev., Vol. 17, pp. 171-182)"

Snack Size Science: Vitamin E and the quest for thick hair - Nutra USA, 5/5/09 - "The experiments used Carotech’s Tocomin SupraBio ingredient, which contains vitamin E in its tocotrienol forms. Vitamin E comes in eight forms, including four types of tocopherols, and four types of tocotrienols ... According to the company, the Malaysian researchers observed significant hair re-growth of about 42 per cent in the tocotrienol group, with eight volunteers experiencing greater than 50 per cent hair growth. No one in the placebo group experienced any hair growth benefits" - See Jarrow FamilE (contains all eight members of the vitamin E family, includes Tocomin) at Amazon.com. -  Note:  I started cutting three capsule of that into Rogaine.  I  don't know if it will grow more hair but it makes my hair fluffier, healthier and thicker looking.

High-Dose Vitamin E Slows Functional Decline in Alzheimer's Disease - Medscape, 5/4/09 - "The clinical-effectiveness study enrolled 540 patients with probable Alzheimer's disease (324 women) who had a mean age of nearly 74 years. All were receiving 1 of the following cholinesterase inhibitors: donepezil, rivastigmine, or galantamine (800 to 1000 U twice daily). In addition, 208 patients received vitamin E (800 to 2000 IU/day) ... Vitamin E treatment showed small to medium effect sizes in slowing functional decline, the abstract reports. For vitamin E, the ADL Cohen's d significantly increased, from 0.20 in year 1 (P = .02) to 0.42 by year 5 (P < .001)"

FDA Approves Triple Combination Pill for Hypertension - Doctor's Guide, 4/30/09 - "has approved a once-daily triple combination pill consisting of amlodipine, valsartan, and hydrochlorothiazide (Exforge HCT) for the treatment of hypertension"

Low Vitamin D Causes Problems For Acutely Ill Patients - Science Daily, 4/30/09 - "45% of people in our ICU were Vitamin D deficient ... When the team correlated the Vitamin D levels with a disease severity score, there was a direct correspondence between sickness and Vitamin D deficiency. In other words, the sicker someone was, the lower the levels of Vitamin D. Out of the 42 patients studied, there were 3 deaths. The 3 patients who died all had the lowest level of Vitamin D in the cohort" - See vitamin D at Amazon.com.

Folic Acid May Help Treat Allergies, Asthma - Science Daily, 4/30/09 - "People with higher blood levels of folate had fewer IgE antibodies, fewer reported allergies, less wheezing and lower likelihood of asthma ... People with the lowest folate levels (below 8 nanograms per milliliter) had 40 percent higher risk of wheezing than people with the highest folate levels (above 18 ng/ml) ... People with the lowest folate levels had a 30 percent higher risk than those with the highest folate levels of having elevated IgE antibodies, markers of allergy predisposition ... Those with the lowest folate levels had 31 percent higher risk of atopy (allergic symptoms) than people with the highest folate levels ... Those with lowest folate levels had 16 percent higher risk of having asthma than people with the highest folate levels" - See folic acid at Amazon.com.

Half A Glass Of Wine A Day May Boost Life Expectancy By Five Years - Science Daily, 4/29/09 - "light long term alcohol consumption of all types—up to 20 g a day— extended life by around two extra years compared with no alcohol at all. Extended life expectancy was slightly less for those who drank more than 20 g ... men who drank only wine, and less than half a glass of it a day, lived around 2.5 years longer than those who drank beer and spirits, and almost five years longer than those who drank no alcohol at all"

Vitamin K With Sorafenib Showed Anti-tumor Effects In Pancreas Cancer, Hepatocellular Carcinoma - Science Daily, 4/29/09 - "They found that when combining vitamin K and sorafenib, the sorafenib dose required for inhibiting cancer cell growth decreased by more than 50 percent. This dose was ineffective when used alone ... In the second study, vitamin K1 also enhanced the effects of sorafenib in HCC. Sorafenib is FDA-approved for the treatment of HCC, which typically arises on a cirrhotic liver, which tolerates conventional chemotherapy poorly" - Note:  HCC is hepatocellular carcinoma (liver cancer).

Note:  I've been buying Aloe & Vitamin E Purell Instant Hand Sanitizer at the commissary every week for years. Ever since this swine flu scare, I haven't been able to buy it anywhere so I just placed a large order via drugstore.com.  It took nine to get me past the $50 for free shipping.  It said it was backordered for 1 to 2 weeks but it was shipped the day after I ordered it.  See Purell Instant Hand Sanitizer Refill, Aloe & Vitamin E at drugstore.com icon.  It should be noted that 36,000 people die in the U.S. every year from the flu.  That's almost 100 per day.  As of 5/4/09 I believe there were 20 that died from the swine flu.  19 were in Mexico and one was in Texas but was from Mexico.  It seems like the swine flu may be overblown.  I've been doing the washing hand precaution all along.  One news segment said that the masks are overblown and don't do much unless maybe someone sneezes in your face which isn't every likely.  The cause is usually someone touching something like a computer keyboard or elevator button then rubbing an eye, touching their mouth, eating a sandwich, etc.  Click here for CNN commentary on washing hands.

Purell

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):

Prospective study of plasma vitamin B6 and risk of colorectal cancer in men - Cancer Epidemiol Biomarkers Prev. 2009 Apr;18(4):1197-202 - "plasma PLP levels were significantly inversely associated with risk of colorectal cancer; compared with men in the lowest quartile, those with PLP in quartiles 2 to 4 had relative risks (95% confidence interval) of 0.92 (0.55-1.56), 0.42 (0.23-0.75), and 0.49 (0.26-0.92; P(trend) = 0.01), respectively"

Associations of dietary long-chain n-3 polyunsaturated fatty acids and fish with biomarkers of inflammation and endothelial activation (from the Multi-Ethnic Study of Atherosclerosis [MESA]) - Am J Cardiol. 2009 May 1;103(9):1238-43 - "Long-chain n-3 PUFA intake was inversely associated with plasma concentrations of interleukin-6 (p = 0.01) and matrix metalloproteinase-3 (p = 0.03) independent of age, body mass index, physical activity, smoking, alcohol consumption, and dietary variables. Nonfried fish consumption was inversely related to C-reactive protein (p = 0.045) and interleukin-6 (p <0.01) ... the results of this study suggest that the dietary intake of long-chain n-3 PUFAs and fish is inversely associated with concentrations of some biomarkers, reflecting lower levels of inflammation and endothelial activation. These results may partially explain the cardioprotective effects of fish consumption" - See Mega Twin EPA at Amazon.com and Jarrow Max DHA at Amazon.com.

Quercetin reduces systolic blood pressure and plasma oxidised low-density lipoprotein concentrations in overweight subjects with a high-cardiovascular disease risk phenotype: a double-blinded, placebo-controlled cross-over study - Br J Nutr. 2009 Apr 30:1-10 - "Subjects were randomised to receive 150 mg quercetin/d in a double-blinded, placebo-controlled cross-over trial with 6-week treatment periods separated by a 5-week washout period. Mean fasting plasma quercetin concentrations increased from 71 to 269 nmol/l (P < 0.001) during quercetin treatment. In contrast to placebo, quercetin decreased systolic blood pressure (SBP) by 2.6 mmHg (P < 0.01) in the entire study group, by 2.9 mmHg (P < 0.01) in the subgroup of hypertensive subjects and by 3.7 mmHg (P < 0.001) in the subgroup of younger adults aged 25-50 years. Quercetin decreased serum HDL-cholesterol concentrations (P < 0.001), while total cholesterol, TAG and the LDL:HDL-cholesterol and TAG:HDL-cholesterol ratios were unaltered. Quercetin significantly decreased plasma concentrations of atherogenic oxidised LDL, but did not affect TNF-alpha and C-reactive protein when compared with placebo ... Blood parameters of liver and kidney function, haematology and serum electrolytes did not reveal any adverse effects of quercetin. In conclusion, quercetin reduced SBP and plasma oxidised LDL concentrations in overweight subjects with a high-CVD risk phenotype. Our findings provide further evidence that quercetin may provide protection against CVD" - See quercetin at Amazon.com.

The effect of n-3 long-chain polyunsaturated fatty acid supplementation on urine protein excretion and kidney function: meta-analysis of clinical trials - Am J Clin Nutr. 2009 Apr 29 - "The dose of n-3 LCPUFAs ranged from 0.7 to 5.1 g/d, and the median follow-up was 9 mo. In the pooled analysis, there was a greater reduction in UPE in the n-3 LCPUFA group than in the control group: Cohen's d for all trials was -0.19 (95% CI: -0.34, -0.04; P = 0.01). In a patient with 1 g UPE/d , this corresponds to a reduction of 190 mg/d. Effects on GFR were reported in 12 trials. The decline in GFR was slower in the n-3 LCPUFA group than in the control group, but this effect was not significant (0.11; 95% CI: -0.07, 0.29; P = 0.24)" - See Mega Twin EPA at Amazon.com and Jarrow Max DHA at Amazon.com.

Low Serum Testosterone and Estradiol Predict Mortality in Elderly Men - J Clin Endocrinol Metab. 2009 Apr 28 - "mean follow-up period of 4.5 years ... low levels (within quartile 1; versus quartiles 2-4) of both testosterone (hazard ratio [HR] 1.65, 95% confidence interval [CI] 1.29-2.12) and estradiol (HR 1.54, 95% CI 1.22-1.95) associated with mortality. A model including both hormones showed that both low testosterone (HR 1.46, 95% CI 1.11-1.92) and estradiol (HR 1.33, 95% CI 1.02-1.73) predicted mortality. Risk of death nearly doubled (HR 1.96, 95% CI 1.46-2.62) in subjects with low levels of both testosterone and estradiol compared with subjects within quartiles 2-4 of both hormones ... Elderly men with low serum testosterone and estradiol have increased risk of mortality, and subjects with low values of both testosterone and estradiol have the highest risk of mortality"

Resveratrol Enhances Ultraviolet B-Induced Cell Death through Nuclear Factor-kappa B Pathway in Human Epidermoid Carcinoma A431 Cells - Biochem Biophys Res Commun. 2009 Apr 24 - "In conclusion, our study demonstrates that the combination of resveratrol and UVB act synergistically against skin cancer cells. Thus, resveratrol is a potential chemotherapeutic agent against skin carcinogenesis" - See resveratrol products at Amazon.com.

Marine n-3 fatty acids promote size reduction of visceral adipose depots, without altering body weight and composition, in male Wistar rats fed a high-fat diet - Br J Nutr. 2009 Apr 28:1-12 - "Wistar rats fed a high-fat diet. Rats were fed diets including lard (19.5 % lard) or n-3 FA (9.1 % lard and 10.4 % Triomar) for 7 weeks. Feed consumption and weight gain were similar, whereas plasma lipid concentrations were lower in the n-3 FA group. Magnetic resonance imaging revealed smaller visceral (mesenteric, perirenal and epididymal) adipose depots in the n-3 FA-fed animals (35, 44 and 32 % reductions, respectively). n-3 FA feeding increased mRNA expression of cytokines as well as chemokines in several adipose depots. Expression of Adipoq and Pparg was enhanced in the mesenteric adipose depots of the n-3 FA-fed rats, and fasting plasma insulin levels were lowered. Expression of the lipogenic enzymes Acaca and Fasn was increased in the visceral adipose depots, whereas Dgat1 was reduced in the perirenal and epididymal depots. Cpt2 mRNA expression was almost doubled in the mesenteric depot and liver. Carcass analyses showed similar body fat (%) in the two feeding groups, indicating that n-3 FA feeding led to redistribution of fat away from the visceral compartment" - See Mega Twin EPA at Amazon.com and Jarrow Max DHA at Amazon.com.

  • visceral definition - medicinenet.com - "Referring to the viscera, the internal organs of the body, specifically those within the chest (as the heart or lungs) or abdomen (as the liver, pancreas or intestines)"

Neat Tech Stuff :

Supplement Focus (Pomegranate):

News & Research:

Abstracts:

  • Pomegranate polyphenols down-regulate expression of androgen-synthesizing genes in human prostate cancer cells overexpressing the androgen receptor - J Nutr Biochem. 2008 Dec;19(12):848-55 - "A twofold suppression of gene expression was considered statistically significant. Pomegranate polyphenols inhibited gene expression and AR most consistently in the LNCaP-AR cell line (P=.05). Therefore, inhibition by pomegranate polyphenols of gene expression involved in androgen-synthesizing enzymes and the AR may be of particular importance in androgen-independent prostate cancer cells and the subset of human prostate cancers where AR is up-regulated"
  • Consumption of hydrolyzable tannins-rich pomegranate extract suppresses inflammation and joint damage in rheumatoid arthritis - Nutrition. 2008 May 17 - "collagen-induced arthritis (CIA) ... Consumption of POMx potently delayed the onset and reduced the incidence of CIA in mice. Severity of arthritis was also significantly lower in POMx-fed animals. Histopathology of the arthritic joints from POMx-fed mice demonstrated reduced joint infiltration by the inflammatory cells, and the destruction of bone and cartilage were alleviated. Levels of IL-6 were significantly decreased in the joints of POMx-fed mice with CIA. In mouse macrophages, POMx abrogated multiple signal transduction pathways and downstream mediators implicated in the pathogenesis of rheumatoid arthritis" - [Nutra USA]
  • Comparison of Antioxidant Potency of Commonly Consumed Polyphenol-Rich Beverages in the United States - J Agric Food Chem. 2008 Jan 26 - "pomegranate juice (PJ) ... PJ had the greatest antioxidant potency composite index among the beverages tested and was at least 20% greater than any of the other beverages tested. Antioxidant potency, ability to inhibit LDL oxidation, and total polyphenol content were consistent in classifying the antioxidant capacity of the polyphenol-rich beverages in the following order: PJ > red wine > Concord grape juice > blueberry juice > black cherry juice, açaí juice, cranberry juice > orange juice, iced tea beverages, apple juice. Although in vitro antioxidant potency does not prove in vivo biological activity, there is also consistent clinical evidence of antioxidant potency for the most potent beverages including both PJ and red wine" - See pomegranate at Amazon.com.
  • Ellagitannin-rich pomegranate extract inhibits angiogenesis in prostate cancer in vitro and in vivo - Int J Oncol. 2008 Feb;32(2):475-80 - "pomegranate extract standardized to ellagitannin content (POMx) ... POMx decreased prostate cancer xenograft size, tumor vessel density, VEGF peptide levels and HIF-1alpha expression after 4 weeks of treatment in SCID mice. These results demonstrate that an ellagitannin-rich pomegranate extract can inhibit tumor-associated angiogenesis as one of several potential mechanisms for slowing the growth of prostate cancer in chemopreventive applications"

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