Did Autism Rates Double?

Parents are reporting cases of autism at double the rate of the last U.S. government survey in 2003, prompting calls for more research and spawning doubts about the true number of children affected. Researchers estimate that now 1.1 percent, or 1 in 91 children, were told they had a disorder on the autism spectrum, according to a parent survey on the health of more than 78,000 children included in the National Survey of Children's Health. The last survey, conducted in 2003, estimated just 0.57...Full Story
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