do cigarettes actually cause cancer Smoking and Health Effects of Cigarettes: Cancer

Health Effects of Cigarettes: Cancer Smoking and Tobacco Use CDC Cigarette cancer warnings to get stark 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

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