Report: Progress in identifying the genetic roots of autism

Posted at 12:06 PM, Sep 25, 2012
and last updated 2012-09-25 12:06:15-04 Reporting

One of the most agonizing questions that parents of children with autism ask is—why?

According to a report posted to, a growing number of genetic tests are providing some answers. 

Scientists say that roughly 20% of autism cases can be linked to known genetic abnormalities, and many more may be discovered, the report says.

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