All of them can make you feel breathless. Doctors use stages to describe how severe your COPD is. This system is called the GOLD staging or grading system. Your grade will affect what treatment you ...

“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 ...