Boosting Testosterone Helps Women Run Longer, Study Finds

Oct 15, 2019 5:30 PMNov 18, 2019 11:45 PM

Caster Semenya (right) competes during the 2016 Summer Olympics in Rio de Janeiro. (Credit: CP DC Press/Shutterstock)

Caster Semenya (right) competes during the 2016 Summer Olympics in Rio de Janeiro. Semenya filed a discrimination lawsuit against the International Association of Athletics Federations, challenging a rule that female athletes’ testosterone levels must be below a certain limit. (Credit: CP DC Press/Shutterstock)

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New research finds that women with boosted testosterone levels develop more lean muscle mass and can run longer before getting tired.

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