Selenium is a mineral that is essential for health. It supports a range of body functions, including cardiovascular, immune, and cognitive functions. Share on Pinterest Selenium is present in a ...

Selenium is a mineral found in the soil. It naturally appears in water and some foods. While people only need a very small amount, selenium plays a key role in your metabolism. Brazil nuts are are one ...

Holly has a degree in Medical Biochemistry from the University of Leicester. Her scientific interests include genomics, personalized medicine, and bioethics.View full profile Holly has a degree in ...