Selenium is a group 16 element with the atomic number 34. It is a metalloid and shares several of its properties with oxygen and sulfur, which are the most well-known members of this group. Jons Jakob ...

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. Selenium is a nutrient that ...

Breast cancer is regarded as the third most common malignancy in humans and the second, after skin cancer, in women (Greenlee et al, 2000). Approximately, 150 000 women in the United States of America ...