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.
Dr. Mohammed Barakat associates himself with some of the biggest names in South American football. But a new documentary suggests the celebrity doctor has few qualms about prescribing banned substances to athletes.
Hajo Seppelt's investigations exposed Russian state-sponsored doping in high-level sports. He will not attend the football World Cup in the country after German security services warned he might not be safe there.