What is the most significant cause of lung cancer?
A) Airborne asbestos
B) Tobacco use
C) Radon exposure
D) Ionizing radiation exposure

Question

Quizplus · Accepted Answer

Tobacco use is the most significant cause of lung cancer, accounting for about 85% of lung cancer cases. Smoking cigarettes, cigars, or pipes and exposure to secondhand smoke are the primary contributors to lung cancer risk associated with tobacco use.

What Is the Most Significant Cause of Lung Cancer