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New link between pollution, temperature and sleep-disordered breathing
Date:6/14/2010

on central or peripheral neurotransmitters that influence sleep-state stability," said Dr. Zanobetti.

Several studies have also reported that temperature predicts mortality. "The association we found between short-term temperature and RDI could represent one possible mechanism by which changes across the range of temperature could predict mortality," said Dr. Zanobetti.

Perhaps most importantly, the prevalence of SDB in the United States may increase as obesity rises. "While therapies are available for the disorder, the majority of adults with SDB are not being treated and many people are resistant to therapy," said Dr. Zanobetti. "Along with reduction in obesity, these new data suggest that reduction in air pollution exposure might decrease severity of SDB and nocturnal hypoxia and may improve cardiac risk."

John Heffner, M.D., past president of the American Thoracic Society observed, "This study gains even greater importance as scientists increasingly demonstrate the critical importance of sleep to health and well being. SDB increases risks for cardiovascular disease, strokes and other major health conditions. Air pollution is an independent contributor to most of these disorders and may produce its negative health effects by promoting SDB as an intermediary step in the pathway toward disease."


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Contact: Keely Savoie
ksavoei@thoracic.rog
212-315-8620
American Thoracic Society
Source:Eurekalert

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