Image via WikipediaFrom a recent report:
In 2009 a study of more than 35,000 men published in the JAMA, the journal of the American Medical Association, showed that taking a 200 microgram supplement of selenium a day did not protect against prostate cancer, nor any other cancer for that matter. Even worse were follow-up reports from the US suggesting that taking selenium pills over a number of years could upset the body's ability to metabolise sugar and so increase the risk of diabetes in some men in particular.
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