New study on selenium and prostate cancer confirms that the type of selenium matters

Does selenium and vitamin E really cause prostate cancer? Despite the publicized negative results of the SELECT trial this week, the answer may well be no because of the form of selenium used in the study. 

In 1983, researchers at the University of Arizona conducted a human clinical trial with 974 men, and found that after giving them 200mcg/day selenium and following them for 10 years, the selenium led to a significant 63 percent reduction in prostate cancer incidence.

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