doping

How a case of dog doping has sunk the sport of dog sledding into a heated battle between mushers and animal rights activists

From athletes rebelling over drug cheats to a lack of ticket sales and sponsors, the cracks are beginning to show in Rio

Russia may well be the most flagrant cheater with coaches, athletes and officials colluding to hide doping. But it’s hardly alone.

Defensive lineman tests positive for banned substances clomiphene and tamoxifen

Team’s head coach says positive drug test is a "slap in the face"

Will employers pressure staff to take brain boosters?