Emphysema is an example of COPD (chronic obstructive pulmonary disease). This eMedTV page offers an in-depth look at COPD, including information on its causes, symptoms, prevention, and treatment options.
This eMedTV article talks about the anatomy of the lung, explaining how a slice of normal lung looks similar to a pink sponge filled with tiny bubbles or holes. This page describes the lung in more detail and also includes information on COPD.
The effects of exercise on chronic obstructive pulmonary disease are typically beneficial for the patient. This eMedTV page discusses how exercise can help and includes a reminder to talk to your physician before starting an exercise program.