High blood levels of the major vitamin E components, alpha- and gamma-tocopherol, seem to cut the risk of prostate cancer by about 50 percent each, a study shows. The findings are based on an analysis of 100 individuals with prostate cancer and 200 cancer-free "controls" participating in the Alpha-Tocopherol, Beta-Carotene Cancer Prevention (ATBC) Study, which included nearly 30,000 Finnish men.
Men with the highest levels of alpha-tocopherol in their blood at baseline were 51 percent less likely to develop prostate cancer than those with the lowest levels, report investigators in this week's Journal of the National Cancer Institute (NCI). Similarly, men with the highest levels of gamma-tocopherol were 43 percent less likely to develop the disease compared with men with the lowest levels.
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