Lance Armstrong: Doping in sports
Published On: Jul 13 2011 12:23:19 PM PDT
Updated On: Jan 18 2013 07:40:26 AM PST
Lance Armstrong confessed to doping to win the Tour de France during an interview with Oprah Winfrey on Thursday. In sports, doping refers to the use of performance-enhancing drugs and substances taken to mask performance-enhancing drugs in test. Particual types of drugs are banned by sports organizations. Click to find out more.
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