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7. Chronic Bronchitis or Bronchiectasis

Chronic bronchitis results in inflammation of the bronchial tubes that causes the airway to narrow. It also encourages excessive mucus production. Most people develop chronic bronchitis from long-term exposure to toxins like tobacco smoke or industrial air pollutants. A similar condition, bronchiectasis, occurs when long-lasting inflammation damages the tubes. It also causes a persistent cough.

older man coughing sturti / Getty Images

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Disclaimer

This site offers information designed for educational purposes only. You should not rely on any information on this site as a substitute for professional medical advice, diagnosis, treatment, or as a substitute for, professional counseling care, advice, diagnosis, or treatment. If you have any concerns or questions about your health, you should always consult with a physician or other healthcare professional.