South African runner challenges hyperandrogenism rules

Tuesday, February 19, 2019 - 12:00am



Caster Semenya is one of the best runners in the world. This week, she's challenging new IAAF rules that would require female athletes with a naturally high level of testosterone to take medication lowering those levels before competing. The World's Carol Hills speaks with anthropologist and bioethicist Katrina Karkazis.