Sarah and Tish Hamilton get to chatting with science writer and occasional runner Sarah Everts, author of the new book The Joy of Sweat: the Strange Science of Perspiration. With wit and wisdom, the guest details:

-how sweat is “an evolutionary superpower”;

-why people sweat at different rates;

-sweat at different ages and stages of life, including pregnancy and menopause;

-differences between exercise-produced sweat v. emotion-triggered perspiration;

-cultural cravings for sweat sessions; and

-the societal stigma of sweating profusely.

In the intro chitchat, Sarah shares details about her teen son’s first real job. The sweat-speak starts at 15:58.

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