Emphysema is a lung disease that damages the air sacs, making it difficult to breathe, especially during physical activity. Smoking is the primary cause of emphysema, but exposure to irritants, ...
Obstructive emphysema causes the air sacs in the lungs to rupture and enlarge. This leads to fewer but larger air sacs, limiting airflow in and out of the lungs. Obstructive emphysema, or emphysema, ...
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