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Autism spectrum disorder [a] (ASD), or simply autism, is a neurodevelopmental disorder "characterized by persistent deficits in social communication and social interaction across multiple contexts" and "restricted, repetitive patterns of behavior, interests, or activities". [11]
Despite this, some parents believe that vaccinations cause autism; they therefore delay or avoid immunizing their children (for example, under the "vaccine overload" hypothesis that giving many vaccines at once may overwhelm a child's immune system and lead to autism, [188] even though this hypothesis has no scientific evidence and is ...
A new study says that air pollution — specifically, the kind caused by car exhaust — may be a significant cause of rising rates of autism in children.. Exposure to nitric oxide (NO)— which ...
Classic autism, also known as childhood autism, autistic disorder, or Kanner's syndrome, is a formerly diagnosed neurodevelopmental disorder first described by Leo Kanner in 1943. It is characterized by atypical and impaired development in social interaction and communication as well as restricted, repetitive behaviors, activities, and interests.
A diagnosis is more reliable once the child is two years old, but most children aren’t diagnosed for certain until they are older. Per an Autism Speaks report, it’s not unlikely for adults to ...
Classic autism - (or Kanner's syndrome) the first described form of autism written about in 1943; Pervasive developmental disorder (PDD) – as opposed to specific developmental disorders (SDD), refers to a group of five disorders characterized by delays in the development of multiple basic functions including socialization and communication.