Study Questions Link Between Asthma and City Living

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TIME

Research has long connected living in urban areas with a high risk for asthma. And it makes sense: Cities are polluted and pollution exposure is linked to a greater risk for asthma.

That’s why a new study, published in the Journal of Allergy and Clinical Immunology, is so surprising. The findings, which come from a study of 23,000 U.S. children, show that income and race are much greater risk factors for asthma than where a child lives. The greatest predictors of asthma risk, according to this research, are poverty and being African American or Puerto Rican.

“We didn’t go in looking to make this point at all,” says lead study author Dr. Corinne Keet, an assistant professor of pediatrics at John’s Hopkins Children’s Center. “We were somewhat surprised to find that living in a city didn’t seem to be a risk factor for asthma.”

To reach these…

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