KidsHealth > Kids > Kids' Health Problems > Learning & Emotional Problems > Kids and Eating Disorders Eating is a fact of life. We need to eat to live. And, if you're a kid, you need to eat healthy food - and enough of it - so that you grow and develop the way you should. But for some people, food becomes the enemy. Because they're worried about being fat, they severely limit what they eat or make themselves vomit right after eating. Doing this can make someone very sick. P ...