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 Tobacco Awareness and Prevention -
Tobacco Awareness and Prevention Roane State Community College Smoking & Cancer Genetic Mechanism of How Cancer is caused by Smoking Smokeless tobacco and cigarette smoking: chemical mechanisms and cancer prevention Nature Reviews Cancer What chemicals are in a cigarette? What does smoking do to your body? Cancer Research UK How Smoking and Nicotine Damage Your Body FV Hospital
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