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 ...

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 ...

New research identifies four presentations of autism based on genetics, behaviors and the ages when symptoms first appeared.

ATLANTA ― The use of insulinlike growth factor–1 (IGF-1) significantly improves symptoms of social withdrawal and repetitive behaviors in children with Phelan-McDermid syndrome (PMS), a genetic cause ...

Breastfeeding during the first 4 months of life is linked to reduced emotional and behavioural problems in preschoolers; ...