U.S. Anti-Doping Agency (USADA)
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Mairbek Taisumov, of Vienna, Austria, has accepted a six-month sanction for a violation of the UFC® Anti-Doping Policy after testing positive for a prohibited substance.
Blood doping, which may include the use of erythropoietin (EPO), is among the most well-known methods of doping in sport. Learn more about the prohibited method, as well as the prohibited substance EPO, in this anti-doping FAQ.
