The Stinky Truths About Your Sweat

Sweating is evolution’s most efficient cooling strategy, allowing humans to stay on the move far longer than most fur-covered animals. But how much sweat is too much? Where should we be perspiring the most? (Our armpits? The backs of our knees?) And why does some sweat smell so much? These are among the questions that journalist, amateur athlete, and heavy sweater Tom Vanderbilt has pondered for years. In this episode, he finally gets them answered by Canadian chemist Sarah Everts, author of the new book, The Joy of Sweat: The Strange Science of Perspiration.

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