Tags: roadway | pollution | asthma

Roadway air Pollution Tied to Asthma

Wednesday, 26 Sep 2012 10:56 AM



Children whose homes are within a few hundred feet of a busy roadway may be more likely to develop asthma, according to new research by the University of Southern California.
The study, published in the journal Environmental Health Perspectives, found at least 8 percent of the more than 300,000 cases of childhood asthma in Los Angeles County are attributed to traffic-related pollution at homes within 250 feet of a busy roadway.
The findings suggest previous assessments of childhood asthma related to air pollution have underestimated the connection.
"Our findings suggest that there are large and previously unappreciated public health consequences of air pollution in Los Angeles County and probably other metropolitan areas with large numbers of children living near major traffic corridors," said Rob McConnell, professor of preventive medicine at the Keck School of Medicine of USC.
"There is also emerging evidence that other diseases may be caused or exacerbated by urban air pollution, including atherosclerosis, lung cancer, chronic obstructive pulmonary disease [COPD] and neurological disorders," McConnell added. "Thus, policies to combat climate change may have near-term health benefits beyond reducing the burden of disease due to asthma."
The researchers reached their conclusions by analyzing information from the Children's Health Study, a long-term study of effects of air pollution ongoing since 1993, and other sources. Regional air pollution measurements from the U.S. Environmental Protection Agency were used to estimate exposure to near-roadway pollution in the Los Angeles area.
The results showed children living near busy roads had more serious asthma problems, emergency room visits, and hospitalizations. Likely culprits in the increased asthma risk include the pollutants nitrogen dioxide and ozone.

© HealthDay

 
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Children whose homes are near a busy roadway may be more likely to develop asthma.
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Wednesday, 26 Sep 2012 10:56 AM
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