The primary cause of COPD is exposure to tobacco smoke. Overall, tobacco smoking accounts for as much as 90% of COPD risk. However, COPD does occur in individuals who have never smoked. Marfan syndrome and other connective tissue disorders, such as Ehlers-Danlos syndrome, have been associated with the development of COPD. Environmental factors (eg, pollution), alpha1-antitrypsin deficiency, intravenous drug use, immunodeficiency syndromes (eg, HIV), and vasculitis syndromes have also been linked to COPD.
Learn more about the etiology of COPD.
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Cite this: Fast Five Quiz: Can You Properly Identify and Treat COPD? - Medscape - Feb 04, 2022.