British cyclist, Tommy Simpson who died on the slopes of Mont Ventoux in the 1967 Tour de France was found to have amphetamines in his bloodstream. Side effects are a rise in blood pressure and body temperature as well as an increase in anxiety. Perhaps the most famous sort a illegal drug, anabolic steroids help build muscle, and strength. They are therefore widely used by power athletes who rely on explosiveness like weightlifters and sprinters. Endurance athletes, like cyclists, long distance swimmers and triathietes also use them however to help them recover from the effects of their heavy training loads.
Testing is done by measuring the bodies' level of testosterone to epitosterone.
Side effects are well documented and include mood changes and other psychiatric and psychological conditions, hypertension, skin disease and an increased chance of suffering a stroke. As such they tend to be used in sports requiring a steady hand and great precision such as archery or shooting. Also the type of drug that Diego Maradona used before the 1994 World Cup in which he failed a drug test. Diuretics can also be used to increase urine volume in an effort to make the detection of small quantities of banned substances more difficult. Worryingly, there is a possible link between the use of human growth hormone and Creutzfeld-Jacob disease.