How does smoking affect the human body's respiratory system?
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Smoking significantly impacts the human respiratory system . It damages mucociliary function, leading to impaired clearance of inhaled substances and increased bacterial adherence to airway cells. Tobacco smoke induces structural changes in the respiratory tract, including inflammation, fibrosis, and mucosal damage, affecting host defense mechanisms. Pulmonary function tests show that smoking initiates obstructive changes before symptoms manifest, potentially causing diseases like emphysema and lung cancer. Smoking is a major risk factor for respiratory infections, with smokers at higher risk due to compromised immune defenses and structural alterations in the airway epithelium. Promoting smoking cessation is crucial to mitigate the severe impact of tobacco-related infections on respiratory health.
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| Papers (4) | Insight |
|---|---|
Open access•Journal Article 1 Citations | Smoking decreases lung volume and capacity, leading to obstructive changes in the respiratory system. Prolonged smoking can cause respiratory diseases like emphysema, asthma, and lung cancer. |
| Smoking harms the respiratory system by damaging mucociliary function, promoting bacterial adherence, causing structural changes, impairing host defenses, and increasing susceptibility to pulmonary infections. | |
Open access 10 Sep 2021 | Smoking harms the respiratory system by causing inflammation, fluid accumulation, reduced gas exchange, hypoxemia, and tissue necrosis, potentially exacerbating the impact of COVID-19 on smokers' lungs. |
12 Citations | Smoking significantly increases the morbidity and mortality of various respiratory conditions, including COPD, asthma, lung cancer, infections, and interstitial lung diseases, with cessation offering benefits. |
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