Autism Diagnoses Rise Among U.S. Children, CDC Finds

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1. Important caveats.

http://latino.foxnews.com/latino/health/2013/03/20/autism-diagnosis-in-us-children-reaches-1-million-mark-survey-finds/

Autism Diagnosis in U.S. Children Reaches 1 Million Mark, Survey Finds
Published March 20, 2013
Fox News Latino

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The new estimate released Wednesday by the Centers for Disease Control and Prevention would mean at least 1 million children have autism.

The number is important — government officials look at how common each illness or disorder is when weighing how to spend limited public health funds.

It's also controversial.

The new statistic comes from a national phone survey of more than 95,000 parents in 2011 and 2012. Less than a quarter of the parents contacted agreed to answer questions, and it's likely that those with autistic kids were more interested than other parents in participating in a survey on children's health, CDC officials said.

Still, CDC officials believe the survey provides a valid snapshot of how many families are affected by autism, said Stephen Blumberg, the CDC report's lead author.

The study that came up with the 1-in-88 estimate had its own limitations. It focused on 14 states, only on children 8 years old, and the data came from 2008. Updated figures based on medical and school records are expected next year.

"We've been underestimating" how common autism is, said Michael Rosanoff of Autism Speaks, an advocacy group. He believes the figure is at least 1 in 50.

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