KIDS HAVE ADVANTAGE ON SWELTERING DAYS.

• Position: Brief Article

How is it that adults want to be holed up in air conditioning on stifling days, but many children don't seem to mind the heat? Exercise physiologist Albert Paolone, Temple University, Philadelphia, Pa., says children generally do handle hot weather better than adults. "Children have a larger surface area per body heat area. They lose heat faster. They're more efficient in getting rid of body heat than larger people, who have more heat-generating tissue."

Even if their kids don't seem to mind the heat, parents...