Physical exercise in any form is good for health. However if you can take out time for a walk why not climb a flight of stairs instead? Here are six reasons why you should consciously make an effort to take the stairs. Burns more calories: Climbing stairs is strenuous and consumes more energy than walking as you have to work against gravity. You burn three times more calories climbing the stairs than walking for the same amount of time. In fact people who are overweight or obese burn more calories while climbing stairs as compared to brisk walking says Dr