<p>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?</p><p><br></p><p>For early access to Tested episodes and to listen ad-free, subscribe to CBC's Stories channel <a href="https://podcasts.apple.com/us/channel/cbc-stories/id6443681642" rel="noopener noreferrer" target="_blank">here</a>.</p>
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