Eating disorders are serious illnesses — and they’re more common than you might think. Up to 30 million people in the U.S. suffer from an eating disorder, with teens and young adults being especially at risk — 95% of those who have eating disorders are between the ages of 12 and 26. While eating disorders are much more common in young women, boys and men can suffer as well. Learn how to spot the signs of an eating disorder in your teen and when to seek help.