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The reasons for the ban are mainly the health risks of performance-enhancing drugs, the equality of opportunity for athletes, and the exemplary effect of drug-free sport for the public. Anti-doping authorities state that using performance-enhancing drugs goes against the spirit of sport.
In general terms, doping is the use of performance enhancing drugs or methods by athletes to gain an advantage over their competition. One such method is blood oxygenation enhancement, which may occur by two distinct means: artificial oxygen carriers and blood doping.y Michelle Venables. Doping is the use of performance enhancing drugs or methods by athletes to gain a competitive advantage. Blood oxygenation enhancement is a type of doping that artificially increases an individual's hemoglobin concentration above normally occurring levels.