(GolinHarris DC) Children with both autism spectrum disorder (ASD) and attention-deficit/hyperactivity disorder (ADHD) are at increased risk for being diagnosed with or treated for anxiety and mood disorders, according to a study published in Pediatrics today. The study, completed by the Interactive Autism Network (IAN), is one of the largest to compare comorbidities in individuals with ASD alone to individuals with ASD and ADHD.