what are the cancer causing chemicals in tobacco a cigarette? | What does smoking do to your body? Cigarettes contain thousands of chemicals—over
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 Smoke Breast Cancer Prevention Partners (BCPP) Cancer and Tobacco Use Vital Signs CDC 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 How Do Cigarettes Cause Cancer? Memorial Sloan Kettering Cancer Center Tobacco control UICC
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