You’re a dog owner, and do not take your dog for walks or let them run around a lot, but keep feeding them dog food, treats and scraps from the table. Needless to say your dog has become overweight. Causing health problems such as diabetes and heart diseases. To fix this, your vet has told you to put your dog on a diet limiting the amount of dog food and treats it gets everyday and no more table scraps. Why will this help the dog lose weight?