A new, small study suggests children with autism , ADHD , and anorexia share similarly disrupted gut microbiomes, which, by some measures, have more in common with each other than with their healthy, neurotypical peers. Led by researchers from Comenius University in Slovakia, the study used stool samples to assess the gut microbiomes of 117 children. The exploratory study included 30 boys with autism spectrum disorder (ASD) , 21 girls with anorexia nervosa, and 14 children with attention