BBC Science Focus Magazine

STRUGGLING TO FIND THE MOTIVATION TO EXERCISE? BLAME YOUR BRAIN

COMMENT

Humans aren’t the fastest or strongest species. We have no wings, fangs, claws, venom or armour. Physically, we’re largely nature’s also-rans.

‘Also-ran’ is an ironic term, though, because humans do physically dominate all other species in one area: long-distance running. Our bipedal gait and unique sweat glands mean humans can keep running long after other species collapse from exhaustion.

Basically, humans evolved to spend long periods physically exerting themselves - that is, exercising. But while many people do indeed enjoy exercising, the less crowded gyms

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