WASHINGTON (Reuters) – Children who live in the U.S. Northwest's wettest counties are more likely to have, but it is unclear why, U.S. researchers reported on Tuesday.
Michael Waldman of Cornell University and colleagues were searching for an environmental link with autism, a condition characterized by learning and social disabilities.
They got autism rates from state and county agencies for children born in California, Oregon and Washington between 1987 and 1999 and plotted them against daily precipitation reports.
"Autism prevalence rates for school-aged children in California, Oregon and Washington in 2005 were positively related to the amount of precipitation these counties received from 1987 through 2001," they wrote in the Archives of Pediatrics & Adolescent Medicine.
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