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What are the top two causes of emphysema

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Most of the time, tobacco is the main culprit.

Another cause is AAT deficiency. If you have this condition, your normal white blood cells will damage your lungs. The harm is even worse if you smoke. Over time, most people with severe AAT deficiency develop emphysema.

From: What Is Emphysema? WebMD Medical Reference

SOURCES:

National Institutes of Health -- National Heart, Lung, and Blood Institute: “What IS COPD?”

COPD Foundation: "What is COPD?"

The Journal of Clinical Investigation: “Molecular pathogenesis of emphysema.”

Albert, R. , Mosby Elsevier, 2008. Clinical Respiratory Medicine

American Lung Association: "Diseases A-Z: Emphysema."

National Heart, Lung, and Blood Institute: "Diseases and Conditions Index: COPD."

Reviewed by Paul Boyce on March 14, 2019

SOURCES:

National Institutes of Health -- National Heart, Lung, and Blood Institute: “What IS COPD?”

COPD Foundation: "What is COPD?"

The Journal of Clinical Investigation: “Molecular pathogenesis of emphysema.”

Albert, R. , Mosby Elsevier, 2008. Clinical Respiratory Medicine

American Lung Association: "Diseases A-Z: Emphysema."

National Heart, Lung, and Blood Institute: "Diseases and Conditions Index: COPD."

Reviewed by Paul Boyce on March 14, 2019

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