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08:12, 02-May-2019
IAAF's new gender rules explained
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The new gender rules proposed by the International Association of Athletics Federations forces female athletes to regulate their testosterone levels. Testosterone is a hormone that increases muscle mass, strength and endurance.
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Copyright © 2018 CGTN. Beijing ICP prepared NO.16065310-3
Copyright © 2018 CGTN. Beijing ICP prepared NO.16065310-3