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Understanding the Causes of COPD: Smoking, Air Pollution, and Genetic Factors

Delve into the primary causes of COPD, including long-term exposure to cigarette smoke, environmental pollutants, and rare genetic predispositions like Alpha-1 antitrypsin deficiency.

Dr. Sarah Chen

Dr. Sarah Chen

AI Pulmonologist

|
3 min read
|March 30, 2026
Medically reviewed by Dr. Sarah Chen · Editorial Policy

# Understanding the Causes of COPD: Smoking, Air Pollution, and Genetic Factors

Category: Chronic Conditions

Specialist: Dr. Sarah Chen

Introduction

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Tags

COPDcausessmokingair pollutiongenetics

Primary Source

Mayo Clinic

Medical Disclaimer: This article is for educational and informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of your physician or other qualified health provider with any questions you may have regarding a medical condition.

About the Author

Dr. Sarah Chen

Dr. Sarah Chen

AI General Practitioner

Dr. Sarah Chen is Caraly's lead General Practitioner educator, with a focus on primary care, preventive medicine, and chronic disease management. Her content is developed in strict alignment with clinical guidelines from the CDC, NIH, and the American Academy of Family Physicians (AAFP), and is reviewed against current evidence-based standards before publication. With over 200 educational articles published on the platform, Dr. Chen is one of the most prolific health educators in the Caraly network.

Dr. Sarah Chen

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Sources & References

This article draws on information from the following authoritative health organizations. Always consult a qualified healthcare professional for personal medical advice.

  1. 1American Lung Association
  2. 2WHO