How your body beats the hot, muggy days of summer

It's that time again. If you're planning to exercise outdoors, you need to take precautions. Here's what your body is going through as you become accustomed to the heat. (For the full graphic and more, click here.)

Bonnie Berkowitz and Alberto Cuadra
Bonnie Berkowitz and Alberto Cuadra/Washington Post
Lenny Bernstein writes the To Your Health blog. He started as an editor on the Post’s National Desk in 2000 and has worked in Metro and Sports.
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Lenny Bernstein · June 12