Chronic obstructive pulmonary disease (COPD) can result from chronic bronchitis or emphysema. Some people may also have COPD and asthma, which can worsen both conditions. Chronic obstructive ...
If you live with chronic obstructive pulmonary disease ... The two main types of COPD are emphysema and bronchitis, affecting how you breathe. Emphysema: This condition destroys the walls between ...