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February 1, 2010

L.A. Confidential: Seeking Reasons for Autism's Rise

Melinda Beck:

Why is a child born in northwest Los Angeles four times as likely to be diagnosed with autism as a child born elsewhere in California?

Medical experts have pondered for years why autism rates have soared nationwide, and why the disorder appears to be much more prevalent in certain communities than in others. Now, some recent studies that zero in on California may shed some light on these baffling questions.

A new autism study shows clusters of high autism rates in parts of California. WSJ's health columnist Melinda Beck joins Simon Constable on the News Hub with more.

Researchers from Columbia University, in a study published in the current Journal of Health & Place, identified an area including West Hollywood, Beverly Hills and some less posh neighborhoods that accounted for 3% of the state's new cases of autism every year from 1993 to 2001, even though it had only 1% of the population.

Another recent study, from the University of California, Davis, published in Autism Research, also found high rates of autism in children born around Los Angeles, as well as nine other California locations. Autism, usually diagnosed before a child is 3 years old, is a developmental disorder characterized by impaired social interaction and communication and repetitive behavior.

Posted by Jim Zellmer at February 1, 2010 8:23 PM
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