What causes autism? What we know, don't know and suspect - 0 views
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Lottie Peppers on 21 Feb 16Since this time, research has focused on biological factors that may lead to autistic behaviours. This has found very clearly there is no one cause of autism. A variety of genetic factors are likely to be the ultimate cause of most cases of autism. These may work by themselves, or in combination with environmental factors, to lead a child's brain to develop differently and result in autistic behaviours.