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, an essential micronutrient, plays a vital role in maintaining cellular redox balance and supporting the function of a specialised group of selenoproteins. These proteins are integral to ...

Add Yahoo as a preferred source to see more of our stories on Google. Selenium is found in trace amounts in living organisms, soil and plants. Nazarii Neshcherenskyi/iStock via Getty Images Plus ...

Selenium-rich foods, from Brazil nuts to tuna, help maintain thyroid hormone balance, antioxidant defenses, and immune function when consumed in safe amounts. Balancing intake matters: too little ...