Selenium And Cancer

A study published today in the Journal of the American Medical Association indicates that dietary suppliments of the trace element selenium protect against cancers of the lung, prostate and colon. NPR's Vicky Que reports that researchers involved in a 13-year investigation of a possible link between selenium and skin cancer found no protective effect but they did find that the research subjects had a 37 percent reduction in the incidence of lung, prostate and colon cancers after only 4 1/2 years.

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