A former Chinese Olympic doctor claimed that more than 10,000 Chinese athletes used banned substances in the 1980s and 1990s. She alleged that athletes as young as 11 were given performance enhancing drugs and that doping occurred across many sports in China. Additionally, a Chinese runner detailed how she and her teammates were forced to take large doses of illegal drugs by their coach. An investigation into widespread state-sponsored doping in China during this period was confirmed.