Body appreciation is a widely explored topic that has been increasingly gaining space in the media, generating great concern as it directly influences the most susceptible individuals, such as adolescents, who are people in process of evolving into physical maturity, emotional development and forming body image. Body dysmorphic disorder and bigorexia are serious behavioral disorders that require knowledge and training from health professionals to be identified early, as they affect people from adolescence onwards and can cause serious emotional and physical problems in current and future life. This article, in the form of a narrative review, presents some characteristics related to adolescence, body image and emotional disorders that refer to body appearance, highlighting their causes, consequences, methods for diagnosis and therapeutic proposals with the aim of expanding knowledge and discussion about this important health problem that affects adolescents.