Eating disorders are complex conditions that involve both psychological and social factors. The document discusses three main eating disorders: anorexia nervosa, bulimia, and binge eating disorder. People with these disorders often use food and control of their eating behaviors to cope with difficult emotions. Common behaviors include restrictive eating, bingeing and purging, excessive exercise, and preoccupation with body weight and shape. The development of eating disorders is influenced by factors like low self-esteem, depression, cultural pressures around thinness, and a history of abuse or trauma.