Cigarette smoking and secondhand smoke cause cancer due to the

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Quizplus · Accepted Answer

Cigarette smoke contains many toxic chemicals, such as tar, benzene, formaldehyde, and arsenic, which can damage DNA and lead to cancer. Secondhand smoke also contains many of these toxins and has been linked to lung cancer in non-smokers. The other choices may play a role in the health effects of cigarette smoke and secondhand smoke, but the primary reason for their association with cancer is due to the toxins in the smoke.

Cigarette Smoking and Secondhand Smoke Cause Cancer Due to the