Why is smoking a risk factor for airway diseases?

Tobacco smoke irritates the mucous membrane of the pharynx, larynx, trachea, and, as a rule, leads to chronic inflammation of the upper respiratory tract and impaired function of the vocal apparatus. Nicotine adversely affects the cilia of the bronchial mucosa. They become unable to move dust particles and lumps of mucus accumulated in the trachea, which irritate the trachea and cause a protective reaction – cough.

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