 | The risk of Alzheimer's disease was reported to be reduced almost five-fold in individuals taking a combination of 400 I.U or more of vitamin E daily and 500 mg or more daily of vitamin C in a population study of individuals 65 years or older in Cache County, Utah. This study was published by Peter Zandi, Ph.D., et al, of Johns Hopkins University, in Archives of Neurology, volume 61, pages 82-88, January 2004. The data are suggestive of this benefit, but a randomized, prospective study in which one group is given the vitamin E and vitamin C combination, and compared to a group given a placebo, will be necessary to confirm these observations. Please note that doses of vitamin E above 1000 I.U. per day may produce liver toxicity. Doses of vitamin C above 2000 mg per day may cause urinary tract stones. 1. Dietary supplementation with glucosamine reduced symptoms and delayed joint deterioration (knee joints were assessed) in patients with osteoarhritis. J.Y. Reginster et al: Long-term effects of glucosamine sulphate on osteoarthritis progression; a randomized, placebo-controlled clinical trial. The Lancet 357:251-256, January 27, 20012. Dietary supplementation with selenium (200 micrograms daily) decreased the incidence of prostate cancer by 63% in the studies cited below, as well as reduced the incidence of colon and lung cancer. G.F. Combs, Jr. et al: Reduction of cancer risk with an oral supplement of selenium. Biomedical and Environmental Sciences 10:227-2334, 1997; L.C. Clark et al: Decreased incidence of prostate cancer with selenium supplementation: results of a double-blind cancer prevention trial. British Journal of Urology 81: 730-734, 1998. 3. Frequent consumption of tomatoes or tomato products was associated with a decreased risk of prostate cancer in a recent report. This effect is attributed to lycopene, a biochemical found in highest concentration in tomatoes. E. Giovannucci et al: A prospective study of tomato products, lycopene, and prostate cancer risk. Journal of the National Cancer Institute 94:391-398, March 6, 2002. 4. Recent reports in the New England Journal of Medicine (April 11, 2002 issue) and Journal of the American Medical Association (April 10, 2002 issue) indicate that regular consumption of fish rich in omega-3 fatty acids, such as salmon, tuna, mackerel, and herring, substantially reduces the risk of fatal heart attacks. In the second study, women who ate fish five times a week reduced their risk of a fatal heart attack by one-half. |
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