In addition to its role as a natural hormone, testosterone is used as a medication to treat hypogonadism and breast cancer. Since testosterone levels decrease as men age, testosterone is sometimes used in older men to counteract this deficiency. It is also used illicitly to enhance physique and performance, for instance in athletes. The World Anti-Doping Agency lists it as S1 Anabolic agent substance "prohibited at all times".
In addition to its role as a natural hormone, testosterone is used as a medication to treat hypogonadism and breast cancer. Since testosterone levels decrease as men age, testosterone is sometimes used in older men to cou.nteract this deficiency. It is also used illicitly to enhance physique and performance, for instance in athletes. The World Anti-Doping Agency lists it as S1 Anabolic agent substance "prohibited at all times".