Then they purge — throw up, fast, or engage in some other “purging” behavior such as using laxatives or exercising to excess — in an attempt to rid their bodies of all the extra calories.
Constant cycles of bingeing and purging are hard on the heart, kidneys, and other organs. But bulimia can be especially damaging to the teeth.
Repeated vomiting can cause serious damage to the teeth. Vomit is especially toxic because it contains stomach acids. These acids break down food in your stomach so your body can digest it.