Body image is a subjective multidimensional construction that has an early and continuous influence on ones emotions, thoughts, and behaviors. Throughout the lifespan, the body image suffers several influences and changes, as it is a complex and contextualized construct. Body image distortion may lead to the development of an eating disorder. Eating disorders are characterized by a persistent disturbance of eating or eating-related behavior that results in altered consumptions or absorptions of food and that can significantly impair physical health or psychological functioning. This book provides an in-depth review of the prevalence of eating disorders. It also discusses several risk factors, and available treatment options for those suffering from eating disorders.