Autism and Shared Common Genetic Risk Factors

In reportedly the largest study of its kind to date (2006), researchers concluded that some neuropsychiatric diseases appear to share some common genetic risk factors: Autism, attention-deficit/hyperactivity disorder (ADHD), major depression, bipolar disorder, and schizophrenia. https://www.scientificamerican.com/article/broken-mirrors-a-theory-of-autism/ https://forum.psychlinks.ca/showthread.php?11958-Anatomy-of-Autism