People who walk regularly for exercise may notice that their speed declines and they tire more easily as they age. But is that because they are aging? Could that reduction in pace and energy be slowed or reversed by other types of exercise, like running?
Upstate Medical University exercise physiologist Carol Sames explains how running was found to be more beneficial than walking in a study that compared walkers and runners in Boulder, Colorado. She says running is not appropriate for everyone, and she offers some other ways walkers can add intensity to their workouts.
Also on this week's show, discussions on depression, vegetables, and new scientific projects.