Early-onset anorexia nervosa in prepubertal male twin: A case report

BACKGROUND Early-onset anorexia nervosa (EOAN), defined by onset before 14 years of age, represents a severe and complex subtype of anorexia nervosa (AN). It is characterized by persistent restriction of energy intake, significantly low body weight relative to age and height, intense fear of weight gain, and disturbed body image. Given that AN carries the highest mortality rate among psychiatric disorders, early recognition and prompt initiation of treatment are crucial, particularly in prepuber