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FAQ - What Causes Autism?

We don’t know yet exactly what causes autism.  It's likely that both genetics and environment play a role. Researchers have identified a number of genes associated with the disorder. Studies of people with ASD have found irregularities in several regions of the brain.  Other studies suggest abnormal levels of neurotransmitters in the brain. These findings require further study.  The theory that parental practices are responsible for ASD has long been disproved.