Smoking is the leading cause of COPD. Long-term smoking damages the lungs and makes breathing difficult. Even if you have smoked for years, quitting can greatly reduce your risk of developing COPD or slow its progression.
Smoking is the leading cause of COPD. Long-term smoking damages the lungs and makes breathing difficult. Even if you have smoked for years, quitting can greatly reduce your risk of developing COPD or slow its progression.