-- Robert Preidt
WEDNESDAY, Sept. 1 (HealthDay News) -- Secondhand smoke appears
to trigger a complex inflammatory response in the lungs, a study in
The researchers exposed the animals to secondhand smoke five
times per week for two or four months. The exposures occurred in
two three-hour shifts twice a day, separated by a two-hour
"This is much like what a human would be exposed to at a bar or casino," Adelheid Kratzer, an investigator in the pulmonary and critical care division in the department of medicine at the University of Colorado-Denver, said in an American Physiological Society news release.
Two months of exposure to secondhand smoke was enough to cause
significant changes in the rats' lungs, and those changes were even
more notable after four months.
Among the changes the investigators found were:
The findings, presented at the American Physiological Society
conference held last week in Westminster, Colo., may help efforts
to develop new ways to treat lung damage caused by secondhand
smoke, the researchers said.
The U.S. Centers for Disease Control and Prevention has more
health effects of secondhand smoke.
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