High selenium status increases risk of high cholesterol and diabetes.

Selenium, an essential element necessary for proper cellular function, has recently become a popular supplement thought to have antioxidant and anti-cancer properties. A new British study has linked high levels of selenium to increased levels of total cholesterol and LDL ("bad") cholesterol. The U.K. has lower selenium status that the U.S. making it a good place for a study like this. High selenium status has also recently been linked to a higher incidence of diabetes.

Taking selenium supplements may raise type 2 diabetes risk.

Selenium's antioxidant power is claimed to help prevent or control diabetes. Yet research links high blood selenium supplements with increased risk of diabetes! In the US, selenium deficiency is very rare. In one study, selenium supplements given to those who had normal baseline levels increased their risk of developing diabetes almost three times, compared to those who were given a placebo.

PositiveTip: The best methods of preventing or controlling type 2 diabetes is still weight control, physical activity and a plant-based diet rich in antioxidant foods.