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en.wikipedia.org/wiki/Chronic_obstructive_pulmonary_disease

Chronic obstructive pulmonary disease (COPD) is a type of obstructive lung disease ... Chronic bronchitis and emphysema are older terms used for different types of COPD. The term "chronic bronchitis" is still used to define a productive cough ...

www.mayoclinic.org/diseases-conditions/emphysema/home/ovc-20317003

Apr 28, 2017 ... Emphysema is a lung condition that causes shortness of breath. In people with emphysema, the air sacs in the lungs (alveoli) are damaged.

www.emedicinehealth.com/emphysema/article_em.htm

Feb 10, 2016 ... Emphysema is a long-term, progressive disease of the lungs that primarily causes shortness of breath due to over-inflation of the alveoli (air ...

www.medicinenet.com/emphysema_lung_condition/article.htm

Emphysema is a condition that is considered a type of chronic obstructive pulmonary disease, or COPD. Emphysema usually occurs with with chronic bronchitis.

www.webmd.com/lung/emphysema

Emphysema is a long-term (chronic) lung disease. In emphysema, the tiny air sacs (alveoli) at the end of the airways in the lungs are damaged. When the air ...

medlineplus.gov/emphysema.html

Emphysema is a type of COPD. COPD makes it hard to breathe. The most common cause of Emphysema is smoking. Learn about symptoms and treatment.

www.webmd.com/lung/copd/what-is-emphysema

Nov 21, 2016 ... If you have emphysema, the linings of the tiny air sacs in your lungs become damaged beyond repair, keeping your airways from working as ...

lunginstitute.com/lung-diseases/emphysema

Emphysema is one of the major obstructive lung diseases under the chronic obstructive pulmonary disease (COPD) umbrella. This lung condition gradually ...

www.healthline.com/health/emphysema

Jun 21, 2016 ... Smoking is the leading cause of emphysema, a disease of the lungs that makes it hard to breathe. Learn more about how emphysema affects ...