The Company(Season 7, Episode 20) ION. Morgan's missing cousin, Cindi, reappears, and Morgan must come clean about a lie he told concerning her. In addition, the BAU reopens the investigation into Cindi's disappearance.
Selenium in biology. Although it is toxic in large doses, selenium is an essential micronutrient for animals. In plants, it sometimes occurs in amounts toxic as forage, e.g. locoweed. Selenium is a component of the amino acids selenocysteine and selenomethionine.
Selenium is an essential mineral found in minute amounts in the body. It is one of the essential body substances that can be used in a preventive manner for many diseases, including cancer, arteriosclerosis, stroke, cirrhosis, arthritis and emphysema. Selenium functions either alone or with enzymes.