April is Autism Acceptance Month and April 2 is World Autism Day. Here's how autistic advocates say you can support these communities all year long.

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 ...

Some people describe themselves as having Asperger’s disorder, while others call themselves autistic. But is there a difference?

Childhood disintegrative disorder (CDD) occurs when a child regresses in multiple areas of functioning after about 2 years of typical development. It is part of autism spectrum disorder (ASD).

About 2% of the world's adults have autism spectrum disorder. And many people recently have come to the realization that they're autistic as adults, some sharing their stories about their ...

“Autism spectrum disorder (ASD) is characterized by differences in social communication and the presence of repetitive and focused interests and behaviors,” says Earl.

Here's all about the link, including similarities and differences, between fragile X syndrome and autism spectrum disorder.

RFK Jr. has questioned rising autism rates. Here's what experts say he gets wrong about the disorder Currently, 1 in 36 children are diagnosed with autism spectrum disorder.

Autism diagnoses have increased sharply in recent decades, leading to speculation that the condition is new or triggered by modern environmental factors. But a comprehensive review of research on ...