"... When we see beautiful models in magazines and svelte actresses in movies, we are tempted to cut down on our eating in order to lose weight and look more like them. We decide to stop eating as much so we can drops some pounds. Less food taken in should mean you’ll lose weight quickly, right?

Not necessarily. Our bodies are very efficient at storing food as fat as a defense against starvation. When you cut your calories, and if you do it drastically enough, your body panics. Think of it in terms of an army and its rations...."