with time.
However, symptoms that become significantly worse, persist unusually long, or improve and then suddenly worsen may deserve medical evaluation.
Smoking Can Keep Your Airways Producing Excess Mucus Smoking is a major contributor to chronic cough and phlegm.
Cigarette smoke irritates the lining of the respiratory tract and can interfere with the normal function of cilia, which help move mucus out of the airways.
As a result, mucus may accumulate more easily.
People who smoke may develop a persistent morning cough accompanied by phlegm.
This isn’t simply a harmless consequence of smoking.
Long-term smoking increases the risk of chronic
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