Answers

2016-07-10T21:12:42+08:00
Smoking can cause lung disease by damaging your airways and the small air sacs (alveoli) found in your lungs. 1,2. Lung diseases caused by smoking include COPD, which includes emphysema and chronic bronchitis. 1,2Cigarette smoking causes most cases of lung cancer.
1 1 1
thanks for reponding my question..:0