Smoking is the primary risk factor in most cases of COPD.

Question

Quizplus · Accepted Answer

Smoking is the leading cause of chronic obstructive pulmonary disease (COPD). Other risk factors include exposure to air pollution, occupational dust and chemicals, and genetic factors. Smoking is the primary cause of COPD in up to 90% of cases. Other factors such as long-term exposure to air pollution, chemical irritants, and genetic predisposition also contribute to COPD, but to a lesser extent compared to smoking.

Smoking Is the Primary Risk Factor in Most Cases of COPD