'Co-Occurring' Disorders May Explain Change in Autism Diagnosis

As symptoms of other conditions become more apparent, labels may vary, study suggests

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"Up until the recent past, there's been a tendency to spend most of the time and energy on the autism and the autism diagnosis, and thinking about a treatment package that's keyed directly to the autism," Horrigan said. "What's important here is they are highlighting some of the most common co-occurring disorders, a number of which are readily amenable to treatments."

An estimated one in 110 U.S. children -- many more boys than girls -- has autism, according to the U.S. Centers for Disease Control and Prevention.

More information

The U.S. National Institute of Mental Health has more on autism.

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