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  1. Jan 6, 2018 · Autism spectrum disorder begins in early childhood and eventually causes problems functioning in society — socially, in school and at work, for example. Often children show symptoms of autism within the first year.

  2. Research suggests that autism spectrum disorder (ASD) develops from a combination of: Genetic influences and. Environmental influences, including social determinants. These factors appear to increase the risk of autism and shape the type of autism that a child will develop.

  3. Oct 5, 2022 · Genetic factors. Environmental factors. Myths. Increase in diagnoses. Summary. Research has not found one single cause of autism. However, genetic factors and environmental factors — such as...

  4. Because the disorder is so complex and no two people with autism are exactly alike, there are probably many causes for autism. It is also likely that there is not a single cause for autism, but rather that it results from a combination of causes.

  5. Mar 31, 2021 · A 2019 study estimated that about 80% of autistic people have it due to genetics. Research has found more than 800 genes linked to autism. Recently, researchers reported that more than 100...

  6. Today, 1 in 54 children are estimated to have autism, according to the CDC. Research suggests that this surge is not due to changes in the genetic and environmental factors that...

  7. Dec 9, 2022 · Autism spectrum disorder (ASD) is a developmental disability caused by differences in the brain. Some people with ASD have a known difference, such as a genetic condition. Other causes are not yet known. Scientists believe there are multiple causes of ASD that act together to change the most common ways people develop.

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