Bulimia is an eating disorder compels people to binge on food and then purge through self-induced vomiting, diuretics or laxative abuse, or excessive exercise. People with bulimia tend to feel guilty and disgusted about food and fat. Even though most people with bulimia begin at normal weights, they think of themselves as fat. Roughly 90 percent of the people with bulimia are women, and the disorder usually begins a few years after puberty. Genetics, social pressures, and emotional problems like depression, low self-esteem, and extreme perfectionism contribute to bulimia