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Exposure to both traffic, indoor pollutants puts some kids at higher risk for asthma later
Date:11/23/2009

Ryan, PhD, lead author of the study and a research assistant professor of environmental health at UC."These two exposure sourceswhen simultaneously present at high levelsappear to work together to negatively impact the health of young children with developing lungs."

To conduct this study, Ryan and his colleagues utilized land-use regression modeling to calculate study participants' exposures to traffic-related particles, such as diesel exhaust. The model was designed to capture exposures at locations where the child spent more than eight hours a week between birth and age 3; for example, in their homes or at day care.

"Traffic-related particles and endotoxin both seem to trigger an inflammatory response in the children monitored in this study. When put together, that effect is amplified to have a greater impact on the body's response," adds Ryan. "The earlier in life this type of exposure occurs, the more impact it may have long term. Lung development occurs in children up through age 18 or 20. Exposure earlier in life to both endotoxin and traffic will have a greater impact on developing lungs compared to adults whose lungs are already developed."


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Contact: Amanda Harper
amanda.harper@uc.edu
513-604-3308
University of Cincinnati Academic Health Center
Source:Eurekalert

Page: 1 2

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