When people hear the word autism, it’s often associated with a specific set of traits. But in reality, autism spectrum disorder (ASD) is just that—a spectrum, encompassing a broad range of differences ...

A wider public conversation has arisen over whether it's time for a shift in how we think about categories of autism, amid ...

The global prevalence and rank of nonfatal burden of autism spectrum disorder are high, according to a review published online Dec. 19 in The Lancet Psychiatry. Damian Santomauro, Ph.D., from the ...

There's been a significant rise in individuals diagnosed with autism spectrum disorder (ASD) in recent years, with an estimated 61.8 million cases worldwide. Experts are now calling for better access ...

Readers weigh in on the challenges of defining and diagnosing the condition. To the Editor: Re “In New Focus on Autism, Some Worry the Spectrum Is Too Broad” (front page, Oct. 5): One thing’s for ...

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 ...