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Air pollution linked to hospitalizations for pneumonia in seniors
Date:12/23/2009

odels.

The researchers found that exposure for more than 12 months to higher levels of nitrogen dioxide and fine particulate matter of less than 2.5 micrometres more than doubled the risk of hospitalization for pneumonia in adults aged 65 and older. Exposure to sulfur dioxide was not associated with an increased risk of hospitalization.

"The results of this study highlight the important health impact that long-term exposure to ambient air pollution can have on respiratory infections," Loeb said. "It also emphasizes the need to monitor emissions from vehicles, given that ground-level nitrogen dioxide is derived predominantly from traffic."

Pneumonia is a leading cause of illness and death in order adults. Rates of hospitalization for pneumonia among patients 65 year and older have increased in recent years. While the role of air pollution has been recognized as a risk factor for asthma and other respiratory diseases, few studies have been completed on the role of air pollution on pneumonia hospitalization in older adults.


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Contact: Veronica McGuire
vmcguir@mcmaster.ca
90-552-591-402-2169
McMaster University
Source:Eurekalert

Page: 1 2

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