Tag Archives: Autism

Older Sibling with Autism or ADHD Ups Risk for Younger Kids

Having an older sibling with autism spectrum disorder (ASD) or attention-deficit/hyperactivity disorder (ADHD) raised the risk of being diagnosed with either condition, according to a study of population-based medical records. Children whose older brother or sister had autism were 30 times more likely to receive an autism diagnosis and 3.7 times more likely to be… Read More »