Vernon has chronic bronchitis.What is the major risk factor for this disease?

Question

Quizplus · Accepted Answer

The major risk factor for chronic bronchitis is cigarette smoking. Chronic bronchitis is a type of chronic obstructive pulmonary disease (COPD) that results in inflammation and narrowing of the airways, making it difficult to breathe. Smoking is the leading cause of COPD, and quitting smoking is the best way to prevent further damage to the lungs.

Vernon Has Chronic Bronchitis