To sweat is human. That’s according to science journalist Sarah Everts, whose new book “The Joy of Sweat” explores the biology of what she calls our “oddly flamboyant” way of controlling body temperature. We’ll hear why some of us are more profuse -- and smellier -- perspirers than others, what drives our cravings for sweaty workouts and hot soaks and why we still spend billions annually on products to hide the effects of our natural cooling system.

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