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.

Selenium, element 34 on the periodic table, is essential for animal cell function-in small amounts. But just like oxygen and and water, a high-enough concentration of selenium can become toxic.

More selenium is not necessarily better," Rudolph said. "In fact, laboratory studies indicate that high doses of selenium can be toxic and could even promote cancer, so 'megadosing' with selenium ...

Selenium is a mineral that may support several aspects of human health. Most adults need around 55 micrograms (mcg) per day. Sources include nuts, eggs, and some fish.

Women's fertility linked to detox element in diet Date: November 17, 2014 Source: University of Adelaide Summary: For the first time, research has shown how much of a critical role the natural ...

Selenium is a semi-metallic element that belongs to the family of chalcogens (group 15). Placed just between sulfur and tellurium in that column of the periodic table, it resembles both elements ...

Chinese scientists have built a selenium solar cell with an alloyed selenium-tellurium absorber, which reportedly reduces interfacial defects. Under standard illumination conditions, the device ...