Dangerous Medicine: What to Know About Performance-Enhancing Drugs
What Is Testosterone?
The Mayo Clinic describes testosterone as the main anabolic steroid hormone produced by your body. Testosterone has two effects on your body: anabolic effects, which promote muscle building, and androgenic effects, which are linked to male traits such as facial hair and a deeper voice. While these hormones do have approved medical uses, use for improving athletic performance is not one of them, according to the health website. (Photo: Andersen Ross/Getty Images)