With steroids easy to buy, testing weak and punishments inconsistent, college football in the United States is facing a serious doping problem.

Stephen Swart told an unpopular truth for the good it might do. It has taken years: 15 since he first told a journalist, eight since he became the first teammate of Lance Armstrong to go on the record about a plague of doping in their sport.

Sports writer Dan Coyle tells Phil Taylor about his long battle to cut through the PR myths surrounding Lance Armstrong and organised doping in cycling.

Todd has joined Ferguson and MacDonald as our most prolific Olympians, with five medals.

When Olympic athletes like swimmer Ye Shiwen achieve the astonishing, should we applaud them or wonder whether they are using performance-enhancing drugs?

Disgraced Tour de France winner Floyd Landis has suggested drugs should be legalised in cycling.

Peter de Villiers is worried his entire squad may have taken a banned substance that has seen two players fail doping tests.