ATLANTA, GA
The Centers for Disease Control and Prevention released the new
estimate Friday. It's a small change from a 1 in 100 estimate that
CDC officials made in October. CDC officials said that estimate was
preliminary and the new number comes from a completed analysis of
reports from 11 states.
Previously, the CDC had been saying autism occurred in 1 in 150
children. The new estimate looks at 8-year-old children who had
been diagnosed with an autism spectrum disorder in 2006.
The increase may be due in part to changes in how often autism
is diagnosed. The CDC is studying possible environmental causes as
well.
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