A good walk could save your life.  Benefits include greater heart health, lower blood pressure and diabetes risk, weight loss--even enhanced mental agility.
D001794:Blood Pressure / Q000502:physiology; D003920:Diabetes Mellitus / Q000517:prevention & control; D005260:Female; D006801:Humans; D008297:Male; D008606:Mental Processes / Q000502:physiology; D010809:Physical Fitness / Q000502:physiology*; D016138:Walking / Q000502:physiology*; D015431:Weight Loss / Q000502:physiology