According to a new study, secondhand smoking is associated with chronic cough and sputum production. Researchers from the University of California, Irvine, studied the association of secondhand smoking and respiratory symptoms in 139 patients from a Vete

According to a new study, secondhand smoking is associated with chronic cough and sputum production. Researchers from the University of California, Irvine, studied the association of secondhand smoking and respiratory symptoms in 139 patients from a Veterans' Administration Medical Center who underwent left ventricular ejection fraction measurements for clinical reasons. The presence of chronic cough, sputum production, and secondhand smoking, and association between the three were evaluated. Compared with controls, secondhand smokers showed a significant association with chronic sputum production and also showed a trend toward an increased prevalence of cough. Clinical implications suggest that secondhand smoking has a deleterious effect on lung function. These articles come from the journal

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