We all have one damn friend who defies all the weight gain and laws of calories. Isn’t it? The one who sits among you and put down large size fries and doughnuts and cheeseburger and the staggering amount of spaghetti but never ever gain an ounce.
High Metabolic Rate: Those with high BMR burn more calories as compared to ones with slow BMR and as a result, these individuals don’t put on weight despite eating large amounts of foods. BMR decreases with age and increases with an increase in muscle mass.