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Old 02-18-2002, 12:54 PM   #114
Nic Name
retired
 
Join Date: Dec 2001
Location: Toronto, Canada
Posts: 1,930


Smoking is responsible for the majority (80% - 90%) of COPD
(chronic obstructive pulmonary disease) cases, including emphysema.

Emphysematic lung image from the American Lung Association.
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