cigarette smoke carcinogens Smokeless tobacco and smoking: chemical mechanisms and cancer prevention How does smoking cause cancer?
How does smoking cause cancer? Cancer Research UK Tobacco smoke contains over 7,000 chemicals. At least 70 of them are known to cause cancer. When you breathe in secondhand smoke, you are processing those same 70 carcinogensincluding arsenic, formaldehyde, and Cigarettes contain thousands of chemicalsover 7,000 have been identifiedmany of which are toxic, and at least 70 are known to cause cancer. When a cigarette burns, these chemicals are inhaled deep Tobacco and Cancer Cancer CDC Tobacco smoke carcinogens, DNA damage and p53 mutations in smoking associated cancers Oncogene
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