A chronic cough that lasts 3 months or longer for at least 2 years is known as chronic bronchitis, a type of COPD. This condition causes long-term inflammation and irritation to the lungs ...

To further advance the development of targeted intervention, two lines of study ... it is necessary to start differentiating the various types of COPD. As long as all the different types are ...

Medically reviewed by Sanja Jelic, MD Chronic obstructive pulmonary disease (COPD), an irreversible form of lung disease, is ...