Donald Trump challenges Hillary Clinton to drug test, says vote 'rigged'
Donald Trump on Saturday challenged his rival Hillary Clinton to a drug test before their next debate, suggesting the Democrat was "pumped up" on performance-enhancing drugs.
Sun Oct 16 2016
Cycling: Armstrong says the big lie would have continued
Lance Armstrong says he would still be issuing strident denials if he hadn't been caught and then forced to admit to using performance-enhancing drugs to win the Tour de France.
Thu Aug 21 2014
Doping not big problem in golf, Garcia
Spain's Sergio Garcia says doping isn't a big problem in professional golf because performance-enhancing drugs aren't as helpful in the game as in other sports.
Fri Feb 15 2013
Armstrong doping admission: Stars, journos speak
Main reaction to US cyclist Lance Armstrong's admission that he took performance-enhancing drugs throughout his career
Fri Jan 18 2013
Armstrong admits doping in Oprah interview
Shamed cyclist Lance Armstrong has admitted that he used performance-enhancing drugs as the sport braced for revelations in his first interview since being banned for life.
Tue Jan 15 2013