October 5, 2009
"Two studies show more American kids have autism spectrum disorders than previously thought, about one in a hundred. But critics caution that the study methodology may be flawed.
A previous estimate had put the prevalence of autism spectrum disorders (including Asperger's, which affects the young artist pictured above) at one in 150, but a new telephone survey and a more in-depth CDC estimate indicate the disorders are more common. Some of the rise may be due to improved detection, but Dr. Thomas Insel, director of the National Institute of Mental Health, says, "The concern here is that buried in these numbers is a true increase. We're going to have to think very hard about what we're going to do for the 1 in 100."
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