Cough Linked to Increased Mortality in Smokers With COPD.

The article discusses a study on the link between cough and mortality in smokers with chronic obstructive pulmonary disease (COPD) presented at the American Thoracic Society 2012 International Conference. It found that cough and phlegm production may be assessed to determine risk of mortality and lung function. Symptoms of usual cough include phlegm and wheeze.