星儿的爸妈移民的利与弊

BertMom

Autism now 1 in 88 children rather than 1 in 106 children. Increasing at an alarming rate since last census in 2006.
Among boys, the rate of autism spectrum disorders is one in 54, almost five times that of girls, in whom the rate is one in 252.

http://www.reuters.com/article/2012/03/29/us-autism-idUSBRE82S0P320120329