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Newly Discovered Air Pollutants May Cause Lung Problems
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Page: << Prev | 1 | 2 As PFRs are inhaled, they're absorbed by the lungs and other tissues and cause cell damage that can lead to problems such as asthma, emphysema and lung cancer. However, there's still no direct evidence linking PFRs to any of these diseases, he said.
Dr. Neil Schachter, a professor of pulmonary medicine at Mount Sinai Medical Center in New York City, thinks it's premature to blame persistent free radicals for the adverse effects of air pollution.
"These airborne free radicals are of interest, but I am not sure we are at a point where our scalpel is sharp enough to dissect the individual components of air pollution that cause problems for people," he said.
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It's possible that persistent free radicals are responsible for the respiratory damage caused by pollution, Schachter acknowledged. "There are studies that show that modifying free radicals can alter the course of disease," he said. "But the implications of this -- what it means to clinics, what it means to doctors, what it means to regulators -- I think we are a long way from pulling that together."
More information
For more on the health risks posed by air pollution, visit the U.S. Centers for Disease Control and Prevention.
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Copyright © 2008 ScoutNews, LLC. All rights reserved.
Last updated 8/18/2008
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SOURCES: H. Barry Dellinger, Ph.D., the Patrick F. Taylor Chair of Environmental Chemistry, Louisiana State University, Baton Rouge; Neil Schachter, M.D., professor, pulmonary medicine, Mount Sinai Medical Center, New York City; Aug. 17, 2008, presentation, American Chemical Society annual meeting, Philadelphia
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