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 ...

Moderate COPD may mean that physical activity is more difficult, and you may cough up mucus more regularly. People with moderate COPD can take steps to improve their life expectancy by preventing ...

While COPD (chronic obstructive pulmonary disease) symptoms may start out as mild to moderate — with episodes of difficulty breathing that come and go — over time, COPD tends to get worse, and many ...

Chronic obstructive pulmonary disease (COPD) isn’t just one condition. It’s a family of diseases such as emphysema and chronic bronchitis that interfere with your breathing. In chronic bronchitis, ...