Irva Hertz-Picciotto, a researcher at the University of California, Davis, is leading a closely watched study into what causes autism disorders. A recent finding suggests a link between autistic ... more 
Irva Hertz-Picciotto, a researcher at the University of California, Davis, is leading a closely watched study into what causes autism disorders. A recent finding suggests a link between autistic youngsters and a mother's obesity. (April 9) less 
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Wed, May 9, 2012 8:20 AM EDT