Eating disorders are serious illnesses — and they’re more common than you might think. In the U.S., nearly 24 million people suffer from an eating disorder. And teens and young adults are especially at risk — 95 percent of those who have eating disorders are between the ages of 12 and 26. Though they’re much more common in young women, boys can suffer from eating disorders, as well. Learn how to spot the signs of an eating disorder in your teen — plus, when to get help.