Selenium deficiency refers to not having enough selenium in your system. Symptoms may include fatigue, muscle weakness, and infertility, among others. The amount of selenium in food sources is largely ...

Stanleya pinnata, or "prince's plume," takes up large amounts of selenium from the soil. Danita Delimont/Getty Images At first glance, the long, thin leaves and pale green shoots of Stanleya pinnata, ...

Selenium is a trace element that is required for many essential biochemical functions in the body. This includes its antioxidant role in several redox reactions, such as those involving glutathione ...