how does cigarette smoke cause cancer The harmful chemicals in smoking directly damage lung cells, causing DNA mutations that increase risk. Over time, these damaged cells grow abnormally, leading to tumor formation in the lungs. Quitting smoking Smoking & Cancer | Genetic
Smoking & Cancer Genetic Mechanism of How Cancer is caused by Smoking What chemicals are in a cigarette? What does smoking do to your body? Cancer Research UK Tobacco and Cancer Cancer CDC People ignorant of cancers caused by smoking Smoking causes lung cancer Back of pack Australia
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