Severe autism, or level 3 autism spectrum disorder (ASD), describes individuals with the highest support needs on the autism spectrum. Individuals with level 3 autism face significant challenges in ...

Autism diagnoses have skyrocketed—from a rare condition to a common reality for 1 in 36 children. The dramatic rise has drawn national attention, including from President Donald Trump, who recently ...

In his first news conference as secretary of the US Department of Health and Human Services, Robert F. Kennedy Jr. said Wednesday that rising rates of autism prevalence in the US reflect a ...

This story has been updated to include new information about severe autism. President Donald Trump touched on the topic of autism during his wide-ranging speech on Tuesday that marked his first major ...