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Recent Longevity News for the seven days ending 12/19/01:
Tomato Sauce Consumption Decreases DNA Damage in Prostate Cancer Patients - Medscape, 12/19/01, user=benhess, pwd=asdfgh - "Men with prostate cancer given a short-term tomato sauce-based diet had reduced levels of prostate-specific antigen (PSA), and significantly lower prostatic tissue oxidative DNA damage ... placed 32 men with localized prostate adenocarcinoma, who were to undergo radical prostatectomy, on a 3 week diet of pasta with tomato sauce that included a mean of 26.8 mg of lycopene per day ... 21.3% reduction in leukocyte oxidative DNA damage (p = 0.005). Serum PSA levels also dropped 17.5%"
Scientists unlock heart secret of red wine - CNN, 12/19/01 - "The explanation is pigments known as polyphenols ... Polyphenols inhibit the production of a peptide that contributes to hardening of the arteries ... Red grape juice, which has plenty of the pigment, was markedly less potent in reducing endothelin-1 than red wine. The researchers said that suggests that something in the winemaking process changes the pigment's properties ... Researchers believe the pigment comes from red wine skins. In white wine and rose, the grape skins are taken out before fermentation"
High Triglycerides, Higher Stroke Risk - Intelihealth, 12/19/01 - "Participants with high triglycerides had a 27 percent higher risk of ischemic strokes and transient ischemic attacks, or TIAs, than participants with normal triglyceride levels. People with high levels of high-density lipoprotein (HDL), so-called good cholesterol, were less likely to have strokes than those with lower HDL ... the results provide another reason for people with coronary heart disease to control triglycerides and not just cholesterol ... This also confirms that the high-density cholesterol, HDL, is very important"
Australian Researchers Say New Car Interiors Emit Toxic Smells - Intelihealth, 12/19/01 - "a new car could expose occupants to levels of toxic emissions many times beyond limits established by Australia's National Health and Medical Research Council, NHMRC. Long-term exposure can be carcinogenic and may cause abnormalities in unborn children" - Just one more reason to take antioxidants, I3C, etc. See:
Long-term HRT Is Associated With Improved Nonverbal Memory and Attention - Medscape, 12/18/01, user=benhess, pwd=asdfgh - "Long-term postmenopausal hormone replacement therapy (HRT) has a beneficial effect on women's nonverbal memory and attention, according to a report in the December issue of Fertility and Sterility"
Supplements Get Their Own Seals - Intelihealth, 12/18/01 - "How big a problem is supplement quality? Consider this latest example: The University of California, Los Angeles, studied 12 brands of bodybuilding supplements and found only one contained the amount of androstenedione or related ingredients the bottle promised. One brand contained nearly double the amount listed, a potential danger, while another was pure fraud - it contained none"
Drug Combination [phentermine and antidepressants] May Help Reduce Weight - WebMD, 12/18/01 - "Dr. Paul Rivas, an obesity specialist and author of the new book Turn Off the Hunger Switch, believes the combination of phentermine and antidepressants such as Zoloft and Prozac effects brain chemistry to promote weight loss"
Studies Say Creatine Is OK - Intelihealth, 12/17/01 - "there were indications that users were less likely to feel they were overtrained and were less likely to report arm and shoulder fatigue, while nonusers were more likely to report feeling they were falling behind in their training ... All creatine is doing is letting you do a few extra reps in weight training, or cut a tenth of a second off your time ... You are looking at a 5 to 10 percent performance improvement ... Athletes on creatine might overtrain and might hurt themselves, but this would be the result of the athletes expecting to do more than they can ... If you want to go from training four days to training seven days, that could lead to overtraining, but that's not creatine's fault"
Study Pinpoints Vitamin C as Key to Good Health - ABC News, 12/17/01 - "In our study, ascorbic acid was considerably more highly associated with fruit and vegetable intake than were the carotenoids ... Thus, it is possible that ascorbic acid is as important as or more important than carotenoids in conferring the protective benefit of fruits and vegetables"
Glycemic Index, Glycemic Load And Certain Foods Linked To Breast Cancer - Doctor's Guide, 12/17/01 - "Consumption of foods that are associated with a high glycemic index, such as white bread, increased breast cancer risk: odds ratio 1.3. In contrast, pasta, which is associated with a medium glycemic index, did not seem to influence breast cancer risk: odds ratio 1.0 ... glycemic index and glycemic load show "moderate, direct associations" with breast cancer risk. This suggests that hyperinsulinemia and insulin resistance might contribute to the risk of developing breast cancer"
Cruciferous veggies: worth the effort - MSNBC, 12/14/01 - "two groups of substances found in cruciferous vegetables dramatically decreased the amount of DNA damage that occurred when cells were exposed to carcinogens. These substances also stimulated the death of colon cancer cells ... The cells from people who ate more cruciferous vegetables had 30 percent less risk of a specific gene mutation believed to be an early stage of many colon cancers ... A landmark report on diet and cancer risk from the American Institute for Cancer Research (AICR) notes that substances called “indoles,” which are found in cruciferous vegetables, seem to increase body production of a weaker form of estrogen and decrease production of a stronger form. Researchers say such a shift could reduce breast and other estrogen-related cancers"
Kids Plagued by 'Calcium Crisis' - WebMD, 12/14/01 - "Only 14% of girls and 36% of boys age 12 to 19 in the U.S. are getting the recommended amounts of calcium, according to the U.S. Department of Agriculture ... Close to 90% of adult bone is established by the end of the teen years. So if kids are off to a bad start in getting enough calcium, says the National Institute of Child Health and Human Development (NICHD), down the road, they are at serious risk of developing the brittle-bone disease osteoporosis as well as other bone diseases" - Note: There is a problem with just taking calcium supplements. Calcium interferes with magnesium absorption as does zinc. Also, zinc interferes with copper absorption. You should take the minerals in the correct ratios. See:
High Isoflavone Intake Increases BMD in Postmenopausal Women - Medscape, 12/14/01, user=benhess, pwd=asdfgh - "After adjusting for age, height, weight, years since menopause, smoking, alcohol intake, hormone replacement therapy use, and daily calcium intake, postmenopausal women who had the highest intake of isoflavone had significantly higher BMD [bone mineral density] compared with postmenopausal women who had the lowest intake of isoflavone"
Intake Of Apples And Selenuim Affects Incidence Of Asthma - Intelihealth, 12/13/01 - "Eating at least two or more apples per week and a higher intake of the essential metal selenium can protect against asthma in adults, according to British researchers ... They reported on a population-based, case-control study to determine whether asthma is less common and less severe in adults who consume more dietary antioxidants"
Tests show supplements ease arthritis - MSNBC, 12/13/01 - "Consumer’s Union, the independent testing group, said the supplements [glucosamine and chondroitin] not only relieve pain but can actually rebuild damaged joints ... “The good thing about them is that they appear to actually build up the structure of the joint, lubricate it, strengthen it, and so on, in a way more so than a simple painkiller would do,” said Dr. Geoffrey Martin of Consumer’s Union ... glucosamine — derived from shellfish shells — and chondroitin — made from cow cartilage — appear to be free of side effects. Aspirin and other anti-inflammatory drugs used by millions to ease the pain of arthritis can cause stomach problems, and some studies suggest newer drugs called Cox-2 inhibitors might increase the risk of heart attack"
Vitamin D Guidelines in Canada May Be Too Low for Women - Medscape, 12/13/01, user=benhess, pwd=asdfgh - ""Nutritional laws have been grossly wrong about adult needs for vitamin D," Dr. Vieth told Reuters Health, citing a previous study showing that adults need at least 1000 IU to ensure adequate blood levels of vitamin D"
Getting the Skinny on High-Protein Diets - ABC News, 12/13/01 - "High-protein diets do promote weight loss but it is often temporary. There are two major explanations for the loss ... High-protein diets cause dehydration, which looks like immediate and dramatic weight loss ... The second reason these diets work is that they are actually low-calorie diets in disguise"
Community Action Can Prevent Obesity - ABC News, 12/13/01 - "Weight problems and obesity are reaching epidemic proportions in the United States ... An estimated 300,000 deaths may be attributed to obesity in the United States each year ... Weight gain and obesity are major contributors to poor health, increasing the risk of medical conditions ranging from heart disease, diabetes, arthritis, breathing problems such as asthma, and certain cancers"
Optimism May Lower Heart Disease Risk In Older Men - Intelihealth, 12/13/01 - "The researchers found that the most highly optimistic men were less likely to develop heart disease than the most pessimistic men. In fact, each increase in the level of optimism was associated with an approximately 25% decreased risk of chest pain and heart disease"
'White-Coat' High Blood Pressure Damages Heart - WebMD, 12/12/01 - "Compared with people who had normal blood pressure, those with white-coat high BP did, in fact, have evidence of damage to their heart. Their hearts were bigger and thicker and even showed signs of less-effective function ... the real question is whether or not to treat people with white-coat blood pressure problems ... Marvin Moser, MD, says that the final answer is not in yet. But in an editorial accompanying the study, he writes that since we know the great benefits of treating high blood pressure and the treatments are not complicated or dangerous, it's a good idea to treat white-coat high blood pressure"
Saw Palmetto Alleviates Prostate Problems - ABC News, 12/12/01 - "The FDA does not regulate herbal supplements, so doctors warn that the contents of what you buy might not match what is advertised on the label. Therefore, doctors recommend buying a well-known brand in order to ensure it contains the proper amount of saw palmetto"
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