Autism spectrum disorder has yet to be linked to a single cause, due to the wide range of its symptoms and severity. However, a recent study suggests a promising new approach to finding answers, one ...

People who learn they have autism after age 6 — the current median age at diagnosis — are often described as having a “milder” form of autism than people diagnosed as toddlers. A new study challenges ...

Researchers have uncovered a surprising molecular chain reaction in the brain that may play a role in some forms of autism. The study suggests that nitric oxide, a tiny signaling molecule normally ...

AuDHD, the co-occurrence of autism and ADHD, is far more common than most people realize. Here's what it means, what it feels like, and why the word matters so much to so many.

Autism spectrum disorder, or ASD, is the clinical name for the condition most people refer to as autism. Autism is defined as "a complex developmental condition that affects communication, social ...

People with autism spectrum disorder may meet similar diagnostic criteria, but the way their symptoms present in daily life can be very different. If you’re concerned about your autistic teen’s ...