How your body beats the heat
The first hot, muggy days of summer feel so bad because our bodies' best methods of coping with heat haven’t been tested in months. Here are ways we adapt (called acclimatization), according to expert Lawrence Armstrong, who has studied the topic since 1982. No way you’re going out? Here’s how you can get a little exercise indoors.
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.