many chemicals in cigarettes are considered carcinogenic because they cause and Tobacco: What's Burning? Tobacco and the Environment –

Tobacco and the Environment ASH > Action on Smoking & Health Smokeless tobacco and cigarette smoking: chemical mechanisms and cancer prevention Nature Reviews Cancer Compound Interest: The Chemicals in Cigarette Smoke & Their Effects Cigarettes contain thousands of chemicalsover 7,000 have been identified many of which are toxic, and at least 70 are known to cause cancer. When a cigarette burns, these chemicals are inhaled deep DidYouKnow, a #cigarette contains 7000 chemicals. Hundreds of those are known to be harmful & 70 cause #cancer.

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