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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.
Commonwealth Games champion runner, Diane Modahl, becomes the first British female athlete to test positive for performance enhancing drugs. She is banned from competition for four years in a ruling by the British Athletic Foundation (BAF) on Dec. 15, 1994.