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 ...
Chronic obstructive pulmonary disease, or COPD, is among the most common lung diseases in the world. COPD is a blanket term for several progressive lung diseases such as emphysema, chronic bronchitis, ...
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