As you probably know, not by starvation, throwing up, or diet pills. These methods are dangerous and do not work. But this really does work. Try to cut back on Seconds, Snacks, Soda and Sweets. Soda particularly, is lots of calories and not worth it in my mind.
Every soda is like having a dessert.
It's surprisingly easy to get pregnant. And sex too soon can also break your heart. And condoms can protect guys and girls from infecting each other. If your trouble is throwing up after meals, bulimia, or starving herself, anorexia, this is scary. The sooner she can get better, the better it will be for her.