Autism: Searching for Causes
Aug 20, 2008•12 min
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Episode description
In California today, 37,000 people, mostly children, receive treatment for the most severe form of autism. This is a sevenfold increase from 15 years ago, prompting officials to call the situation a public health crisis. QUEST takes an intimate look at Northern California autism researchers as they study everything from saliva samples to carpet dust in hopes of cracking the mystery.
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