Researchers in January are to begin recruiting mothers-to-be for what is pegged as the largest-ever study of U.S. children. The goal of the National Children's Study is to track 100,000 youngsters from conception to age 21 to find out how the environment and other factors affect their health. The researchers will look at a range of issues, including asthma, autism, learning disabilities, diabetes and obesity.

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The Seattle Times

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