In 2014, the former Soviet nation of Uzbekistan announced a plan that it hoped would give it a leg up in future Olympic games: It would DNA test Uzbek children to determine their athletic potential.
Tagged With olympics 2018
Russia was banned from competing in the Winter Olympics in Pyeongchang, a sweeping punishment for its brazen state-sponsored doping program, exposed in 2016. But even with the added scrutiny of athletes in 2018, the percentage of athletes using banned substances in Pyeongchang is probably lower than it was in Rio in 2016, and than it will be in Tokyo in 2020. Doping - throughout the history of the Olympics - tends to happens more in the Summer Games than in the Winter Games.