Realiza-se neste domingo, em Las Vegas, o polémico evento em que os atletas podem usar doping. Há campeões do mundo e campeões olímpicos a competir.

Why are the Enhanced Games, taking place in Las Vegas this weekend, so contentious, and how have governing bodies have responded to the event?

More than 40 athletes, most using performance-enhancing drugs, will compete in the Enhanced Games in a competition that seeks to upend sporting norms.