The document discusses the prevalence of eating disorders in the U.S., affecting approximately 20 million women and 10 million men, with childhood trauma and cultural influences identified as significant contributors. It details various eating disorders, their signs and symptoms, including anorexia nervosa, bulimia nervosa, and binge eating disorder, along with their psychological, genetic, and neurobiological factors. A case study is presented to illustrate the symptoms and potential interventions, emphasizing the need for therapeutic relationships and cognitive-behavioral therapy for effective treatment.