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

When chronic obstructive pulmonary disease (COPD) first starts to creep in, you won't even notice it. It's the kind of disease that sneaks up on you, taking years to show itself. If you're not paying ...