According to the experts of UK and US, advanced parental age is one of the factors causing autism spectrum disorder.
Mostly fathers aging above 40 are targeted by it. These fathers have six times more risk of autism as compared to those below 30. It does not influences mother’s age. Autism affecting parents have children with abnormalities in the development of their brain.
Possible causes found by the experts accountable for autism:
Genetic fault causing inevitable alteration in sperms producing cells affecting the gene expression.
The socio-cultural environment changing with the birth of a child can also responsible to influence parental age.
Via:news.bbc