What are Eating Disorders? Eating disorders are serious, biologically influenced medical and psychiatric illnesses. They are characterized by severe disturbances in eating behaviors and deeply related thoughts and emotions. Important: Eating disorders are not lifestyle choices, diets gone wrong, or cries for attention. They are deadly mental health conditions with some of the highest mortality rates of any psychiatric illness. The 3 Primary Clinical Diagnoses While there are several types of eating disorders, the vast majority fall into three clinical categories: 1. Anorexia Nervosa People with anorexia view themselves as overweight, even if they are dangerously underweight. They severely restrict their food intake out of an intense, phobic fear of gaining weight. Signs: Extreme restriction of eating, relentless pursuit of thinness, distorted body image, and intense fear of weight gain. Physical Risks: ...