calorie counter for diet

Most fitness conscious people know that there are 3,500 calories in a pound of fat, so if you create a deficit of 3500 calories in a week, you lose a pound of weight. Right? Well, not so fast. Dr. Kevin Hall, an investigator at the National Institute of Health in recently published a new paper in the International Journal of Obesity that throws a wrench in works of the 3500 calories to lose a pound idea.