3. HGH
HGH stands for human growth hormone. It is a hormone that is found in the human body naturally. There are athletes who take it to get an edge. It may disfigure someone. Athletes use it to get the strength needed for athletic events and sports such as American football, body building and weightlifting. With it, people can get accelerated muscle recovery, decreased fat stores and increased muscle mass. The HGH may be combined with anabolic steroids. The side effects of taking HGH include hypothyroidism, acromegaly, gigantism, cardiac failure, impotence, diabetes and arthritis.