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What is chronic obstructive pulmonary disease (COPD)?
Chronic obstructive pulmonary disease (COPD) is a slowly progressive
obstruction of airflow into or out of the lungs. The incidence of COPD has
almost doubled since 1982. The disease occurs slightly more often in men than in
women. The symptoms come on slowly and many people are consequently diagnosed
after age 40-50, although some are diagnosed at a younger age.