Here's what selenium is, what benefits it provides and the dangers of taking too much.

Most of the other selenium devices are referred to only briefly, and a few get no mention at all. The Moon-Element: an Introduction to the Wonders of Selenium.

Selenium is an essential mineral that may support the immune system, fertility, and cognitive function. It exists mostly in the skeletal muscles. Learn more.

Keep reading to learn more about selenium and why we need it, as well as 15 foods that contain this important nutrient.

Selenium – a mineral found in many foods – could reverse the cognitive impact of stroke and boost learning and memory in aging brains, according to University of Queensland research.