what chemical causes cancer in cigarettes Smoking and Chemicals in Cigarettes and Tobacco:
Chemicals in Cigarettes and Tobacco: What's Burning? 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 The harmful chemicals in smoking directly damage lung cells, causing DNA mutations that increase cancer risk. Over time, these damaged cells grow abnormally, leading to tumor formation in the lungs. Quitting smoking Relationships among smoking, oxidative stress, inflammation, macromolecular damage, and cancer ScienceDirect
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