Some people,for example, do this if they exercise hard during a heat wave.

VOA: special.2010.07.27

This makes it a better choice of exercise for older adults.

VOA: special.2010.06.08

And we work with parents and community residents to really understand why this is so important, and for them to hopefully demand these healthy foods and places to exercise in their own communities."

VOA: standard.2010.06.23