� Exercise for 80 minutes a day and brisk exercise 80 minutes a week. � Walk with a speed of at least 80 steps per minute. � Do resistance or weight-bearing exercises twice in a week. � Avoid doing strenuous exercises for the first time in life after the age of 40. � According to Ayurveda, one should exercise to his or her body type. � Patients with diabetes who exercise should not exercise if blood sugar is lower than 90. � In conditions of smog, avoid walking early in the morning till sunlight appears.