Anorexia nervosa and autism: a prospective twin cohort study

Anorexia nervosa (AN) and autism spectrum disorder (ASD) may be phenotypically and etiologically linked. However, due to the absence of prospective studies, it remains unclear whether the elevation of autistic traits in AN is evident in early childhood. Here, we prospectively investigated autistic traits before and after the first diagnosis of AN.In a population-based sample of 5,987 individuals (52.4% female) from the Child and Adolescent Twin...