Why did Lance Armstrong start doping?

For much of the second phase of his career, American cyclist Lance Armstrong faced constant allegations of doping. Armstrong consistently denied allegations of using performance enhancing drugs until a partial confession during a broadcast interview with Oprah Winfrey in January 2013. read more

Because until 2010, it is very questionable whether anyone who won the tour before that wasn't doping. Scientific edges in pharmacology didn't have the stigma until fairly recently in the sport. read more

Lance Armstrong speaks with Oprah Winfrey in his first interview since he was stripped of his seven Tour de France titles and banned for life following the USADA investigation into doping by Armstrong and his US Postal Service team. read more