Vitamin E and Selenium Don't Reduce Risk of Prostate Cancer
Researchers found a slightly elevated risk of prostate cancer in subjects taking only Vitamin E and a small increased risk of developing diabetes in men taking only selenium. The National Institutes of Health, which funded the study, said that those effects may have been due to chance.
Previous studies had suggested that selenium and Vitamin E, taken alone or together, might decrease the risk of developing prostate cancer by 60% and 30%, respectively.
Studies done in the 1990s found that beta-carotene supplementation failed to prevent lung cancer, and in fact appeared to increase the odds that male smokers would develop lung cancer.
In other clinical trials, researchers are exploring whether lycopene, a plant-based substance, might reduce the risk of prostate cancer.
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