Big city life may not be a key asthma risk: U.S. study

January 20, 2015 12:03 PM

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CHICAGO (Reuters) - The simple fact of growing up in a big city may not be a major factor in whether a child develops asthma, according to a new study that contradicts decades of public health assumptions about the so-called inner city asthma epidemic.

Instead, researchers at Johns Hopkins University in Baltimore found that being poor, black or Puerto Rican are the most important factors that determine a child's asthma risk.

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