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Health Agencies Update
October 26, 2005

Secondhand Smoke Effects

JAMA. 2005;294(16):2016. doi:10.1001/jama.294.16.2016-c

The largest study to date on the effects of childhood exposure to environmental tobacco smoke on later respiratory disease has found that early exposure to secondhand smoke can produce lifelong respiratory problems. The findings were published in the August 30 online edition of Thorax (David et al. http://thorax.bmjjournals.com/).

In the study, which involved 35 000 adult nonsmokers in Singapore, researchers at the National Institute of Environmental Health Sciences, the University of Minnesota, and the National University of Singapore found that those who lived with one or more smokers during childhood were more than twice as likely to have chronic dry cough in adulthood compared with those who did not grow up living with a smoker.

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