Canada's elite athletes are smoking, eating and investing in marijuana. Cannabis, hashish, marijuana, and tetrahydrocannabinol (THC) are on the World Anti-Doping Agency's prohibited list, but only during competition. They're not great for you, but they're not a banned substance. There is still resistance from some countries to completely removing marijuana from the prohibited list, he said. "Political pressures are probably more relevant to the question of when and if marijuana would come off the prohibited list," Melia said.

Source: CBC News August 15, 2017 13:41 UTC