@CNN: Humans, it turns out, perform best at exercise (especially high-intensity exercise) later in the day… https://t.co/KvbJj3dfLR

September 2, 2017 / The Arbiter / CNN

@CNN: Humans, it turns out, perform best at exercise (especially high-intensity exercise) later in the day… https://t.co/KvbJj3dfLR

Humans, it turns out, perform best at exercise (especially high-intensity exercise) later in the day https://t.co/eJR9WuxaAP http://pic.twitter.com/bTFEA2XtHk

— CNN (@CNN) September 2, 2017

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