"Of course, exercise by definition influences how much activity someone completes during the day. But Dr. Scheer and his colleagues believe that something deeper and more interesting also occurs with exercise. It seems to affect the body’s internal clock mechanisms and therefore its circadian rhythms, especially those related to activity. It may keep those patterns healthier, even with age.
By prompting the release of a wide variety of biochemicals in the body and brain, he suggested, exercise almost certainly affects the body’s internal clock mechanisms and therefore its circadian rhythms, especially those related to activity. Exercise seems to make the body better able to judge when and how much more it should be moving and when it should be at rest."
Gretchen Reynalds writes in the full article at Lack of Exercise Can Disrupt the Body’s Rhythms http://nyti.ms/1cOJBJk via @nytimeswell about health