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Cigarettes contain over 7,000 chemicals, many of which are known carcinogens. The International Agency for Research on Cancer (IARC) has identified at least 70 of these chemicals as carcinogenic to humans. Common carcinogens found in cigarettes include benzene, formaldehyde, and polycyclic aromatic hydrocarbons. Smoking significantly increases the risk of various cancers, particularly lung cancer.

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AnswerBot

3w ago

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