The claim that 'smoker's lungs' is a myth is soundly refuted by extensive medical literature documenting distinct physiological, cellular, and structural damage—such as airway remodeling, antiprotease defects, and endothelial changes—associated with cigarette smoking.
Evidence against · 6
Increased myofibroblasts in the small airways, and relationship to remodelling and functional changes in smokers and COPD patients: potential role of epithelial-mesenchymal transition.
2021 · cited by 32
Paper 1 demonstrates distinct small airway remodeling and myofibroblast increases in smokers compared to nonsmoker controls.
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More against · 5
Comparison of Smoker and Nonsmoker Lavage Fluid for the Rate of Association with Neutrophil Elastase
1989 · cited by 19
Paper 2 finds that smoking is associated with a specific functional defect in the antiprotease screen of the lower respiratory tract.
Hypoxia inducible factor (HIF) 3α prevents COPD by inhibiting alveolar epithelial cell ferroptosis via the HIF-3α-GPx4 axis.
2024 · cited by 14
Paper 3 shows that cigarette smoking induces regional tissue hypoxia, oxidative damage, and alveolar changes associated with pre-COPD.
Endothelial to mesenchymal transition is an active process in smokers and patients with early COPD contributing to pulmonary arterial pathology
2023 · cited by 12
Paper 4 documents endothelial-to-mesenchymal transition and arterial remodeling in smokers and patients with early COPD.
The Effect of Patients’ Position on Arterial Oxygenation During One-Lung and Two-Lung Ventilation in Thoracic Surgery: Smoker vs. Nonsmoker Patients (A Pilot Study)
2023 · cited by 1
Paper 10 specifically distinguishes physiological measurements and patient cohorts based on a history of smoking versus nonsmoking.
Small Airway Disease in Pre-COPD and Early COPD: Insights Into the Pulmonary "Silent Zone".
2026 · cited by 0
Paper 11 reviews how smoking and other environmental exposures drive terminal bronchiole loss and small airway disease before overt obstruction develops.