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U.S. Anti-Doping Agency (USADA)

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Year: 2011

Two athletes competing in taekwondo

US Taekwondo Athlete, Bates, Accepts Sanction For Doping Violation

December 5, 2011 USADA announced today that Jessie Bates of Redondo Beach, Calif., an athlete in the sport of Taekwondo, has tested positive for a prohibited substance and accepted a suspension for her doping offense. Bates, 17, tested positive for methylhexaneamine, a stimulant, as a result of a urine sample collected at the Senior Nationals

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US Boxing Athlete Accepts Sanction for Doping Violation

November 29, 2011 USADA announced today that Damon Allen, Jr. of Philadelphia, Pa., an athlete in the sport of boxing, has tested positive for a prohibited substance and accepted a suspension for his doping offense. Allen, Jr., 19, tested positive for Furosemide, a diuretic, as the result of an out-of-competition sample collected on July 19,

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Two athletes competing in taekwondo

US Taekwondo Athlete, Tadd, Receives Sanction For Doping Violation

November 17, 2011 USADA announced today that Nathaniel Tadd of Houston, Texas, an athlete in the sport of Taekwondo, has tested positive for a prohibited substance and received a suspension for his doping offense. Tadd, 20, tested positive for methylhexaneamine, a stimulant, as a result of a urine sample collected at the Senior Nationals competition,

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US Track and Field Athlete Accepts Sanction for Doping Violation

October 27, 2011 USADA announced today that Frederic Kieser of Cleveland, OH, an athlete in the sport of track and field, has tested positive for a prohibited substance and accepted a suspension for his doping offense. Kieser, 40, tested positive for methylhexaneamine, a stimulant, as a result of a sample collected at the USA Masters

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close up of group of cyclists wheels and feet

US Cycling Athlete Accepts Sanction For Doping Violation

October 26, 2011 USADA announced today that Michael Miller of Morgantown, Pa, an athlete in the sport of cycling, has tested positive for a prohibited substance and accepted a suspension for his doping offense. Miller, 42, tested positive for methylhexaneamine, a stimulant, as a result of a sample collected at the Masters Track Nationals, on

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