Emphysema?
Emphysema is called an obstructive lung disease because the destruction of lung tissue around smaller sacs, called alveoli, makes these air sacs unable to hold their functional shape upon exhalation. It is often caused by smoking or long-term exposure to air pollution.
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Older Answers
Emphysema is a long-term, progressive disease of the lungs that primarily causes shortness of breath. ChaCha!
Answered by Dolly B. -
Emphysema - a lung condition with enlargement of the alveoli an loss of elasticity characterized especially by shortness of breath
Answered by Edward C. -
Emphysema is a long-term, progressive disease of the lung that primarily causes shortness of breath. In people with emphysema, the lung tissues necessary to support the physical shape and function of the lung are destroyed. It is usually caused by smoking.
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