Anabolic steroids are a class of drugs closely related to the male sex hormone testosterone.
Medically, steroids' limited use includes: certain types of anemia, growth deficiencies, and severe burns.
Steroid use along with a workout regimen is typically aimed at increasing weight and muscle mass. However, once use is discontinued, the effects quickly diminish.
Physiological side effects are extensive, and often accompanied by depression and the onset of aggressive behavior.