Selenium linked to diabetes

Patients who take too much selenium may be increasing their risk of type 2 diabetes, according to a paper in the Lancet.

The review of around 500 studies concludes that selenium’s health effects are complex, but appear to follow a U-shaped curve: supplementation might benefit those who are deficient, but increase the risk of mortality in those whose levels are already high.

Blood levels of 130-150 μg/L appear to be optimal, the review found. Patients

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