Still others have tried chemicals or drugs to make them stronger, faster and larger. Such performance-enhancing drugs, vitamins, and nutritional supplements have gotten much attention in recent years. Most performance enhancers are prohibited by sports' governing bodies, and many of those caught using them have suffered serious consequences. One of the most famous cases involved Canadian sprinter Ben Johnson , who shattered the world record in the 100-meter dash at the 1988 Summer Olympics. Johnson was stripped of the medal a day later after he tested positive for anabolic steroids in a post-race drug screening.
Steroids have many known harmful, even deadly, side effects.