Autism increasing. Study released last week showed autism affects one in 88 children (up from 1 in 110). Because of the increase more people are aware and want more research. Autism community is active in the media.
Autism Prevalence. So many studies are being done now due to the prevalence of autism dx. Not only it is a neurodevelopmental disorder, it is also caused by other diseases like congenital rubella, cytomegalic d. And other problems.
Increased interest. Recently reports of increasing incidence of autism has spurred increased support for autism research. It is unlikely that the numbers reflect an increase in the nincidence but redefining individuals with other diagnoses.