There are three levels of autism spectrum disorder (ASD), which are described in the Diagnostic and Statistical Manual of Mental Disorders, 5th Edition (DSM-5). Each autistic person is diagnosed as ...

Level 1 autism requires minimal support and includes challenges in communication and social skills. Level 2 autism needs more substantial support due to significant difficulties with social skills and ...

Last year the Centers for Disease Control and Prevention reported that 1 in 54 U.S. children aged 8 and up was diagnosed with an autism spectrum disorder — a 10% increase from the CDC’s last study in ...

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

For many years, autism has been identified as a spectrum with differing levels of ability. New research suggests that the age when symptoms first appear may help anticipate the specific traits, ...