doping

Generally in sports doping refers to the usage of performance-enhancing drugs, like anabolic steroids especially the drugs those that are banned by the organizations that legalize the competitions. However in some cases these doping are permitted in lower dose like alcohol and caffeine. Another type of doping is the blood doping here the cases is the transfusion of blood or the use of the hormone erythropoietin (EPO). Also considered "doping" by many is the use of substances that mask other forms of doping.