Humans Evolved to Be Long-Distance Runners

Tara Parker-Pope writes in The New York Times about the conclusions of some medical researchers that long-distance running is a major evolutionary advantage for humans. The ability to remain cool by sweating instead of panting and a foot structure ideal for running helped early humans hunt: Most mammals can sprint faster than humans — having four legs gives them the advantage. But when it comes to long distances, humans can outrun almost any animal. Because we cool by sweating rather than



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