I want to thank the United States Education for this. A Calorie is a Calorie that is plain and simple. Unfortunately the laws Thermodynamics states that energy cannot be created or destroyed which I will not argue because I believe that law stands true. Unfortunately anyone who understands that law also believes that they are a nutritionist. If you believe that a calorie from a slice of cheese cake is the same as a calorie from a filet of grilled salmon. You may want to turn in your highschool diploma and start over again. If you believe that nutrition is as simple as balancing your calories. Then you honestly don’t know what is going on inside your body. For example a double cheese burger from McDonald has 490 Kcal. In order for me 6’5” 250lbs person to burn that burger off I would have to run at a 7 mph pace for 25 minutes. Not to mention if I ate a medium fries and a soda to drink( equals a whopping 960 calories) I would have to run for 44 mins at the same pace. That’s not including breakfast, or dinner. A lot of people use calorie counters to restrict the amount of food they eat. If you keep restricting your food intake eventually your metabolism will slow down and your will stop losing weight and when you quit counting calories you will gain the weight back plus more. Remember a Calorie is not a Calorie Think before you eat.