Chronic Obstructive Pulmonary Disease (COPD): Symptoms, Causes, Treatment 

Chronic obstructive pulmonary disease refers to a collection of chronic lung conditions that limit the airways and cause difficulties with breathing. More than 97% of all COPD-related deaths occur in people older than age 64. Moreover, COPD affects women more often than men, but men and women die as a result of COPD at about equal rates .....

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