Children with autism spectrum disorder (ASD) do not have one common cause or reason they have ASD. Here is information from the American Academy of Pediatrics about the causes of ASD.

Many factors may lead to a diagnosis of ASD. Scientists continue to learn more about what causes ASD. We currently know that

Some people believe that vaccines cause ASD. However, many studies show there is no scientifically proven link between childhood vaccines, including the measles-mumps-rubella (MMR) vaccine, and ASD. In fact, the research article that first suggested a link between the MMR vaccine and ASD has been retracted (removed permanently) because the research was done incorrectly. There is also no scientific proof to support a link between thimerosal (a mercury-containing preservative) and ASD. Even so, almost all vaccines given to children in the United States no longer contain mercury. Mercury was removed in the early 2000s.

The AAP urges...

You do not currently have access to this content.