Eating more than a few Brazil nuts can lead to toxic levels of selenium. A healthy adult may get benefits from eating just four Brazil nuts. Brazil nuts can support heart, thyroid, and brain health.

Brazil nuts are rich in selenium, providing up to 990% of your daily value in a small, one-ounce serving. Eating too many Brazil nuts too often can lead to selenium toxicity, which can drive mild, ...

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 nutrient that plays a crucial role in human health, contributing to the thyroid and immune function, DNA repair, and cardiovascular and cognitive health. It acts as an antioxidant – ...