Why is the incidence of autism rising?

Toxin aculation, even inherited aculation. The body is not able to eliminate as it was designed because of overload. Therefore, the immune system cannot deal with the health of the body such as with viruses, such as the borna virus found with some autistic children, as God intended the body to do. The more and more aculations that are ped down from generation to generation, the higher incidence of autism ,asperger's, ADD/ADHD, learning disabilities, sensory integration disorders, etc.