“Emphysema is usually a description of images — CT scan or X-ray — and is only one part of the disease of COPD,” says Uddalak Majumdar, MD, pulmonologist at the Cleveland Clinic in Ohio. COPD is ...

In 2021, an estimated 14 million adults in the United States reported a diagnosis of chronic obstructive pulmonary disease (COPD), chronic bronchitis, or emphysema. If you’re not sure what the ...