Smoking
Smoking is the main culprit in most of the cases of emphysema and other lung disorders. Doctors have no exact clue about how smoking destroys the lining of air sacs present deep down inside the lungs. However, the studies reveal that the people who smoke are about six times more prone to develop emphysema in comparison to those who do not smoke at all. The exact mechanism of how smoking destroys the lung tissues is not known but the doctors explain that the smoke reduces the elasticity of the lung muscles and tissues and then the air sacs get floppy in the end losing their ability to function normally. There is no complete cure for emphysema, but if a person smokes with the disease, it can bring an irreparable harm to the lung tissues. In addition, if a smoker kicks the habit then it might help in slowing down the damage happening to his lungs.