If you have been smoking for more than 20 years continuously, you can develop asthma. There is a close relationship between emphysema and asthma. If you have asthma you ought to take asthma control medication.
If you have been smoking for more than 20 years continuously, you can develop asthma. There is a close relationship between emphysema and asthma. If you have asthma you ought to take asthma control medication.