Navigating healthy and unhealthy food choices while learning to restore a positive relationship with food. Q1. What is an eating disorder? An eating disorder is a serious mental health condition that affects how a person eats, thinks about food, and perceives their body. It can cause severe emotional distress and physical health problems. Common eating disorders include anorexia nervosa, bulimia nervosa, binge eating disorder, avoidant/restrictive food intake disorder (ARFID)