The document discusses the physical and psychological effects of steroid use in athletes. It defines anabolic steroids as synthetic versions of the male sex hormone testosterone. The document outlines both the intended positive effects on building muscle mass and strength, as well as many dangerous short and long-term side effects. These include liver and kidney damage, high blood pressure, aggression, and premature growth plate closure in young athletes. The document warns against steroid use and advises that the risks far outweigh any competitive advantages.