How to Diagnose COPD, early
/Many people with COPD have both chronic bronchitis and emphysema. In all cases, damage to your airways eventually interferes with the exchange of oxygen and carbon dioxide in your lungs.
Read MoreMany people with COPD have both chronic bronchitis and emphysema. In all cases, damage to your airways eventually interferes with the exchange of oxygen and carbon dioxide in your lungs.
Read More