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 ...

COPD symptoms vary depending on the amount of lung damage that has occurred due to inhaled substances, most commonly smoking. Symptoms are usually slow to develop and often don’t appear until there’s ...

Emphysema is a chronic lung disease that occurs when the air sacs in the lungs (called the alveoli) can no longer inflate and deflate to pump air in and out of the lungs as they should. Many people ...

Inhaled chronic obstructive pulmonary disease (COPD) medications prescribed before surgery in patients with early-stage non–small cell lung cancer (NSCLC) were associated with both short- and ...