Steroids are dangerous for two reasons: they are illegal, and they can damage a person's health, especially if used in large doses over time. Although they may build muscle, steroids can produce very serious side effects in both males and females. Using steroids for a long time can negatively affect the reproductive systems. In males, steroids can reduce the amount of sperm produced in the testicles and even reduce the size of the testicles. Steroids …showed first 75 words of 477 total…

…showed last 75 words of 477 total…what some people in sports still consider a dietary supplement, although it is proven to be a form of anabolic steroid - is still permitted in Major League Baseball and National League Hockey. But andro is banned in other sports organizations. The International Olympic Committee, the National Football League, the National Basketball Association, the National Collegiate Athletic Association, the Association of Tennis Professionals, and most high school athletic associations currently ban the use of androstenedione.