Editor's Note

Abstract

The year’s end comes with the recent release of the second edition of the Physical Activity Guidelines for Americans which reaffirms that physical activity is one of the most important, and necessary, practices people of all ages should adopt for a healthy life. Of the essence, physical activity promotes growth and development, makes people sleep better and feel better, as well as reducing the risk of chronic diseases. Of equal essence is that the beneficial health effects are immediate following exercise, with short duration exercise sessions also being beneficial.¹