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Recent Longevity News for the seven days ending 12/26/01:
The Relationship Between Exercise and Breast Cancer - ABC News, 12/26/01 - "women who exercised at least four hours per week during leisure time reduced their risk of breast cancer by approximately 37 percent ... women whose job descriptions involved high levels of activity, such as walking or lifting, reduced their risk by approximately 25 percent, with a more pronounced effect among premenopausal women"
Atorvastatin Improves Elasticity of Small Arteries and Reduces Blood Pressure - Medscape, 12/26/01, user=benhess, pwd=asdfgh - "Patients with severe hypercholesterolemia who take atorvastatin not only reduce their total and LDL cholesterol but also have an improvement in small artery elasticity and blood pressure ... Average systolic blood pressure dropped by 6 mmHg and diastolic blood pressure dropped by 3 mmHg"
Antioxidants Reduce Breakdown of Blood Brain Barrier During Seizures - Medscape, 12/26/01, user=benhess, pwd=asdfgh - "rats treated with vitamin E or selenium demonstrated significantly less BBB disruption than untreated rats with seizures"
Health Benefits of Modest Weight Loss - ABC News, 12/21/01 - "A weight loss of just 10 pounds has been associated with a 34% drop in triglyceride levels ... A modest weight loss of 10 pounds is, on average, associated with a 16% decrease in total cholesterol, a 12% decrease in LDL cholesterol and an 18% increase in HDL cholesterol ... Each 2 pounds of weight lost results in a 2-mm Hg drop in blood pressure. In many cases, high blood pressure medications can be reduced or discontinued after an average of only 5% to 10% weight loss ... Every 2.2 pounds of weight loss reduces the stress on each knee by approximately 5 pounds per square inch. In many instances, modest weight loss can delay or negate the need for total knee replacement or arthroscopic surgery ... Type 2 diabetes is also very common in overweight people ... Modest weight loss has been shown to be extremely beneficial. On average, every 2.2 pounds of weight loss corresponds to a three-to-four month increase in life expectancy. A 20-pound loss in a person with Type 2 diabetes could restore 35% of the diabetes-related reduction in life expectancy"
Long-Term Soy Consumption Does Not Effect Hormones In Postmenopausal Women - Intelihealth, 12/21/01 - "Though small hormonal fluctuations occurred in all three groups over time, the researchers found no significant changes in serum estrogen, cortisol, dehydroepiandrosterone sulfate, or follicle stimulating hormone in any of the subject groups. Circulating thyroid hormone levels were modestly increased in women taking the highest dose of soy isoflavones for more than 6 months. Other effects of soy isoflavones observed in the study, such as increased bone mineral density and higher HDL concentrations in women who took the highest dose for 6 months, suggest that soy may possess estrogen effects that are better reflected in these end-points rather than in serum hormone concentrations"
Supplement Mix Eases Bipolar Symptoms - WebMD, 12/20/01 - "In the six-month trial, 14 patients, aged 19-46, continued on their regular medications, but also took the specially-formulated, 36-ingredient supplement mixture of vitamins, minerals, amino acids, and antioxidants. Prior to the study, the patients had used an average of 10 different drugs to help control their symptoms, and each had been hospitalized at least once ... At regular intervals during the trial, patients took several standardized tests to measure their depression and mania symptoms. Within two weeks, most of the patients showed 50%-66% improvements in all symptoms. "In some cases," the researchers write, "the supplement replaced psychotropic medications and the patients remained well.""
Folic Acid Prevents Stomach Cancer: Study - ABC News, 12/20/01 - "High daily doses of folic acid may lower the risk of stomach cancer, according to a study in beagles conducted by Chinese researchers ... The researchers gave a cancer-inducing chemical to 16 beagles for 8 months. Eight of these animals also received a high dose of folic acid--20 milligrams per day--for 15 months ... At the end of the 15-month experiment, all of the animals receiving only the cancer-inducing chemical developed stomach cancer, whereas only three of the animals in the folic acid-treated group developed stomach cancer"
Caffeine Sharpens the Mind - WebMD, 12/20/01 - "The researchers looked at 40 people over 65 and tested their memory in the morning and again in the afternoon a few days later. Each time, they drank a 12 oz. cup of coffee before going through a series of memory tests. Some drank decaffeinated coffee and some had the real thing but were not told which one they were getting ... those who drank decaffeinated coffee "showed a significant decline in memory performance from morning to afternoon," Ryan says. Those who drank the caffeine had no fall in their memory test scores"
Meat Linked with Cancer in Study - ABC News, 12/20/01 - "People who eat a meat-laden diet have more than triple the average risk of esophageal cancer and double the risk of stomach cancer ... The report adds to several studies that link eating meat, especially "red" meat such as beef, with certain cancers. Colon cancer has been the most strongly linked with a high-meat diet"
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