A Look Inside the Lungs: Chronic Bronchitis & Emphysema

A person with COPD usually has symptoms of two different conditions: chronic bronchitis and emphysema. Those two conditions are now classified under the same name – COPD – because most people have symptoms of both, rather than just one or the other.

How do symptoms occur in COPD conditions?

To understand how these symptoms occur within a COPD diagnosis, let’s look at the epidemiology of both conditions.

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