is asperger caused by a defect in DNA, hormones, proteins, or enzymes?

The exact cause of Asperger's syndrome is not known. It tends to run in families so researchers are doing studies to look for a genetic cause.
Updated on Monday, February 06 2012 at 06:48PM EST
Source: www.webmd.com/...
Collections: aspergerdefectenzymesfamiliesproteins 

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