title: Cigarette smoke alters airway tissue in chronic obstructive pulmonary disease. Lung damage appears to last long after exposure to smoke ends, but quitting at any age has beneficial effects.
mesh_terms: D005109:Extracellular Matrix / Q000473:pathology; D006801:Humans; D008168:Lung / Q000473:pathology*; D029424:Pulmonary Disease, Chronic Obstructive / Q000209:etiology / Q000473:pathology*; D012907:Smoking / Q000009:adverse effects*; D016540:Smoking Cessation