The media has caused an increased awareness about Autism. That is why, parents also are becoming more aware and concerned about their kids. Nowadays, 1 out of 150 kids are having autism in USA and some people think that these numbers are under reported.
It is known that boys tend to be at a higher risk than girls especially those boys who have a family history of this disease. If one twin is autistic, it is likely that the other twin is also autistic; however the disease will be present in a different manner.