The Conversation

How does aging affect athletic performance?

Author: The Conversation

At 42, Chris Horner became the older person to a win a cycling Grand Tour. In this photo Horner climbs during the 186km 18th stage of La Vuelta, Tour of Spain on September 12 2013.Joseba Etxaburu/Reuters

I remember the moment a few years ago while watching TV when I realized that if I were riding in the Tour de France, at age 42 I’d be the...

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