Cancers associated with tobacco use are primarily due to:
A)nicotine.
B)tars in tobacco.
C)the delivery device.
D)poor filters.

Question

Quizplus · Accepted Answer

The tars in tobacco contain carcinogens that damage DNA and can lead to mutations that cause cancer. Nicotine, while addictive, is not directly carcinogenic. The delivery device and filters may affect the amount and type of carcinogens that are inhaled, but ultimately it is the chemicals in tobacco smoke, particularly the tars, that cause cancer.

Cancers Associated with Tobacco Use Are Primarily Due To