• 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.