Selsun Blue is best known as an anti-dandruff shampoo, but medically it is a selenium sulfide–based antifungal treatment.

Brazil nuts contain high levels of selenium that can cause toxicity and lead to symptoms such as digestive upset and fatigue if you eat too many.

Medically reviewed by Jonathan Purtell, RDN Key Takeaways Both raw and roasted cashews contain high levels of the essential minerals iron and selenium.Raw varieties contain slightly higher levels of ...

Aliasger K. Salem receives funding from the National Institutes of Health. He serves on the Executive Board of the American Association for Pharmaceutical Scientists. Selenium is a nutrient that plays ...

Selenium, a trace element, has significant benefits for thyroid, immune, heart, and brain health when consumed in recommended amounts. However, its excess can cause severe health issues, including ...

Photoconductivity was discovered by William Adams and Richard Day in 1876, who found that selenium produced an electric current when the light was allowed to fall on it. The importance of this ...

The role of selenium in health was first recognized as a toxic one by the recognition of its adverse effects. Being a trace element, only a minute amount is needed to maintain its important ...

Just 3 oz of tuna contains 167% of a person’s daily selenium needs. This recipe pairs a spiced, flavorful tuna steak with a nutritious salsa to offer a balanced meal. A serving of 3 oz of light ...