How your body beats the heat
Extreme heat, particularly early in the summer, feels so bad because our bodies' best methods of coping with it haven’t been tested recently. By now, most of us should be well on our way to acclimatization, which will make us better able to withstand heat all summer. Here are the changes our bodies make to perform better in the heat, according to Lawrence Armstrong, a bioenergetics expert who has studied the topic since 1982.
Lawrence Armstrong of the Human Performance Laboratory at the University of Connecticut; Paul Castle of the Department of Sport and Exercise Science at the University of Bedfordshire in the United Kingdom; National Institutes of Health; Journal of Applied Physiology. Bonnie Berkowitz and Alberto Cuadra / The Washington Post.