We still hear it all the time – that 3500 calories is equal to one pound of body weight. The thought might be appealing, that one can simply create a 500 calorie per day deficit by either cutting 500 calories from their diet, adding 500 calories per day of exercise, or a combination of both. After one week, the deficit of 3500 calories (500 calories x 7 days) should result of 1 pound of weight loss....