The document discusses three main types of eating disorders: anorexia nervosa, bulimia nervosa, and binge-eating disorder. It provides details on the defining characteristics, causes, physical and psychological effects, and treatment options for anorexia and bulimia. Specifically, anorexia is characterized by self-starvation and intense fear of weight gain. Bulimia involves cycles of binge eating followed by purging behaviors like vomiting. Both disorders stem from underlying issues like poor body image and are treated through therapies that address unhealthy thoughts and eating patterns.