Selenium Supplements Linked To Reduced Cancer Risk

TUCSON, Ariz. Risk of certain cancers may be reduced by selenium supplementation, according to a study published in the Dec. 25, 1996, issue of the Journal of the American Medical Association (JAMA).

The findings were a surprise to researchers, who were trying to link selenium supplementation with reduced skin cancer risk. The study, conducted by Larry Clark, Ph.D., and colleagues at the Arizona Cancer Center, College of Medicine, University of Arizona, Tucson, included data on 1,312 patients over a 10-year period. While there was no decrease in skin cancers, there was a 40 percent decrease in overall cancer risk, with marked decreases in the incidence of lung, colorectal and prostate cancer. An editorial accompanying the piece urged restraint in use of selenium (200 mcg was the amount used in the study) as higher amounts of the mineral may be dangerous

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