Delilah is less than 85 percent of normal body weight. She restricts her eating and is intensely fearful of becoming fat.

Delilah is less than 85 percent of normal body weight. She restricts her eating and is intensely fearful of becoming fat. Despite her emaciated appearance, she appears to have lots of energy, has normal menstrual cycles, and dates regularly. According to the DSM-IV-TR she should be diagnosed