smoking cigarettes causes lung cancer because is the number one cause of cancer. It about 90% of lung cases. Tobacco smoke contains many chemicals that are known to cause lung cancer. If you still Tobacco Awareness and Prevention -
Tobacco Awareness and Prevention Roane State Community College 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 A vaccine to stop lung cancer? It's made from tobacco taxes and legislation Smoking: The Main Cause of Lungs Cancer
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