The fight against illegal performance enhancing substances has led the World Anti-Doping Agency, WADA, to develop strict rules. But some criminal athletes and doctors make sure to remain one step ahead in the race.
Professional cycling and track and field are among the more notorious sports for doping. And the former East German GDR was famous for encouraging systematic abuse of substances to ensure sporting success. DW coverage related to the topic is collated below.
Russia's Athletics Federation remains suspended from competing at international events, but five Russians will attend the Indoor Championship under a neutral flag. "Many" applications for future meets are under review.
After bobsled and skeleton Russia has lost biathlon and speed-skating events as world bodies have applied pressure over state doping. Officials said the acclaimed McLaren Report showed 'severe problems in Russian sport.'