Caster Semenya

Episode 5: A battle over science and ethics unfolds. World Athletics releases and then tweaks multiple policies impacting DSD athletes, while critics cry foul. In this episode, World Athletics doubles down on its claims, Caster Semenya challenges the rules again, and we dig deep on a big question: what constitutes an "unfair" advantage on the track?

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Male and female athletes compete in separate categories because of advantages that come with testosterone. But what should be the rules for women who have naturally high testosterone levels?