Kamila Valieva: US anti-doping chief questions skater’s drug regimen to ‘increase endurance and reduce fatigue’
By Selina Wang, Simone McCarthy and Hannah Ritchie, CNN Kamila Valieva — the teenage Russian figure skater at the center of a doping controversy roiling the Beijing Olympics — had three substances that can be used to aid the heart in her testing sample, according to a report in the New York Times, which cited
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