Lance Armstrong: Doping in sports

Published: Jul 13 2011 03:23:19 PM EDT   Updated On: Jan 18 2013 10:40:26 AM EST
Lance Armstrong blurb

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.