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What Is COPD?
Emphysema Quiz The main symptom of emphysema is shortness of breath, which is caused by permanent damage to the small air sacs and small airways in the lungs. |
Did You Know?
When you breathe in tobacco smoke or other irritants, they cause your airways to become inflamed and narrowed, says the National Heart, Lung and Blood Institute. The irritants also destroy the elastic fibers that allow the lungs to stretch with each breath and then resume their shape when you exhale.
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Chronic Bronchitis
Chronic bronchitis is a long-term inflammation of the bronchi, which results in increased production of mucus.
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COPD Remains Widely Undetected
COPD develops slowly, and people are often not diagnosed with it until their 50s, when the disease has greatly affected their lung function.
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COPD: Terms to Know
A short glossary of terms associated with chronic obstructive pulmonary disease.
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How Your Lungs Work
Your lungs are remarkable organs with multiple roles. Each day, up to 2,300 gallons of air pass through your lungs.
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More of Us Are Out of Breath
You take an average of 16 breaths every minute. It's a reflex—you don't pay attention unless there's a problem. But a rising number of us literally can't catch our breath.
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Pulmonary Emphysema
Emphysema is a chronic lung condition in which the air sacs of the lungs are damaged or destroyed. This damage is irreversible.
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