Dangerous Medicine: What to Know About Performance-Enhancing Drugs

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  • performance-enhancing drugs
  • performance-enhancing drugs
  • performance-enhancing drugs
  • performance-enhancing drugs
  • performance-enhancing drugs
  • performance-enhancing drugs
  • performance-enhancing drugs
  • performance-enhancing drugs
  • performance-enhancing drugs
  • performance-enhancing drugs
  • performance-enhancing drugs
  • performance-enhancing drugs
  • performance-enhancing drugs
  • performance-enhancing drugs
  • performance-enhancing drugs

Human Growth Hormone

Human growth hormone (also known as gonadotropin) has an anabolic effect on the body. Some athletes take it to improve muscle mass and performance, though medical students have not conclusively found this to be true. It is only available by prescription and is administered through injection. (Photo: REUTERS/Keith Bedford/LANDOV)

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