Endurance athletes are fueled by a seemingly inexhaustible energy. But is it really inexhaustible?
Source: https://www.livescience.com/65663-limit-human-endurance.html
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Endurance athletes are fueled by a seemingly inexhaustible energy. But is it really inexhaustible?
Source: https://www.livescience.com/65663-limit-human-endurance.html