France's Pierrick Fédrigo keeps hydrated in this year’s 180.5 km 14th stage of the 93rd Tour de France. Photo: AFP

New sports drink claims to help endurance athletes avoid hitting the ‘wall’

Ketone supplement shown to help competitive cyclists add distance in a workout. In other news: a study links a woman’s age at first menstruation to her chances of living beyond 90

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France's Pierrick Fédrigo keeps hydrated in this year’s 180.5 km 14th stage of the 93rd Tour de France. Photo: AFP
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