Environmental tobacco smoke contains only a minimal number of carcinogens, so it poses a small health risk.

Name: Environmental tobacco smoke contains only a minimal number of carcinogens, so it poses a small health risk.
Brand: Quizplus
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Question

Quizplus · Accepted Answer

Environmental tobacco smoke contains more than 70 known carcinogens, including benzene, arsenic, and formaldehyde. Exposure to secondhand smoke can cause lung cancer, heart disease, and respiratory illnesses in non-smokers.

Environmental Tobacco Smoke Contains Only a Minimal Number of Carcinogens