Chronic obstructive pulmonary disease otherwise known as COPD is a group of respiratory illnesses most commonly associated with emphysema and chronic bronchitis. This disease will damage the patient's lungs and it cannot be reversed.
That being said, there are many people who lead happy healthy lives and still deal with their COPD diagnosis everyday. You can as well, by adhering to the "dos and don’ts" in this article about living with COPD.