"My first eating disorder, I was about 14," says Deborah Wingert, head faculty at Manhattan Youth Ballet. "I remember carefully limiting everything I ate. I'd eat three quarters of the piece of toast and not the last quarter." Then she'd skip lunch, but eat dinner normally. Her parents never suspected she had a problem. "It was very secretive, and I felt in control," she says. "I couldn't change the shape of my legs, but I could lose weight."