Chronic shortness of breath. Red and irritated eyes. Excess sweating. 5. There are hairlike structures in the lungs called cilia. In the lungs of the chronic smoker the cilia are paralyzed, leaving the lungs prey to disease agents.
New cilia replace the old ones.
The paralyzed hairs resume their normal function. They regain some of their former efficiency. The cilia remain static, while the lung compensates for their inactivity. 30 to 50 pounds. 50 to 75 pounds.