US autism estimate rises to 1 in 68 children
(AP) -- The government's estimate of autism has moved up again to 1 in 68 U.S. children, a 30 percent increase in two years.
But health officials say the new number may not mean autism is more common. Much of the increase is believed to be from a cultural and medical shift, with doctors diagnosing autism more frequently, especially in children with milder problems.
"We can't dismiss...