According to autismspeaks.org, 1 in 45 adults in the U.S. are diagnosed with autism spectrum disorder.

Most autistic people over the age of 40 are living without an official diagnosis, according to new research in the UK. Researchers at the Institute of Psychiatry, Psychology & Neuroscience (IoPPN) at ...

More adults are wondering if they have autism. Here are tips to seek a diagnosis To meet the diagnostic definition of autism, the symptoms must cause significant impairment.

A Maryland medical expert shares insights into symptoms of autism in adults as cases rise.