... may have several reasons for using performance-enhancing drugs. An athlete may want to: * Build mass and strength of muscles and/or bones * Increase delivery of oxygen to exercising tissues * Mask pain * Stimulate the body * Relax * Reduce weight * Hide use of other drugs To achieve the desired above affect the athlete will take one form of P.E.D's. The below diagram illustrates which drug to take The classes of drugs used for these purposes are shown above. Most of the drugs shown are banned outright in Olympic competitions. However, some of these drugs, such as cortisone and local anaesthetics, are restricted in Olympic competition because they have legitimate clinical uses. I'll briefly look at each major class of drug and tell you about the dangerous side effects. For decades, athletes have used anabolic (meaning muscle-building) steroids and other performance-enhancing drugs to build strength and endurance. And ...

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