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Written By: Admin | Updated : September 8, 2012 4:03 PM IST
The term calorie refers to a unit of heat. However, the calorie we are talking about here is the food calorie which is about thousand times the value of a heat unit (equivalent to a kilocalorie). People gain or lose weight based on the amount of calories consumed and burned. Ideally a man and woman should consume 2500 calories and 2000 calories respectively per day. However this may vary for individuals depending upon age, metabolism and lifestyle pattern.