Selenium protects a specific type of interneurons in the brain

Exactly 200 years after the discovery of the trace element selenium, researchers have shown for the first time why this chemical element is indispensable for mammalian life. As integral part of the enzyme GPX4, selenium protects a subset of neurons from cell death during postnatal development. https://www.sciencedaily.com/releases/2017/12/171229095132.htm