Add Yahoo as a preferred source to see more of our stories on Google. Autism spectrum disorder, or ASD, is the clinical name for the condition most people refer to as autism. Autism is defined as "a ...

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 ...

Fragile X syndrome (FXS) and autism spectrum disorder (ASD) sometimes occur together. While FXS is a known genetic cause of ASD, not everyone who receives an FXS diagnosis is autistic, and not all ...