Recent medical studies claim that walking helps hold off many of the physical problems of old age, including dropping extra weight from overeating. Family doctors always warn elderly lazybones to get up, get out and get moving to improve health.
Along with moderate diet that burns 300 calories per day, walking those steps, which add up to a total of four miles, is essential. Of course, jogging some of the steps or other vigorous exercise along the way will help produce more healthy weight loss. Vigorous walking can also add to mental health, because the distraction can avoid pondering old age problems that bring on depression. http://www.verywellfit.com/10000-steps-per-day-fitness-weight-loss