Lung cancer and cough: What is the connection? Everyone has experienced a nagging cough after a cold or needed to cough while in a quiet room. Despite these problems, coughing actually serves a very valuable and useful purpose. Coughing is a protective action, helping the lungs clear out potential germs or harmful objects. Sometimes, however, that cough is not linked to a cold or infection and can linger for weeks to months at a time. This may lead people to wonder or worry that their cough is a sign of something more serious, such as lung cancer . This article takes a look at the connection between coughing and lung cancer, including when someone should see a doctor. Coughing and lung cancer A cough associated with lung cancer may be either dry or wet. Not every a cough signifies the presence of lung cancer. However, many people do complain of a chronic cough or a "cough that just won't go away" at the time of their diagnosis. If a cough is associate...
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