smoking cigarettes causes lung cancer because The harmful chemicals in directly damage cells, causing DNA mutations that increase risk. Over time, these damaged cells grow abnormally, leading to tumor formation in the lungs. Quitting smoking What You Need to Know
What You Need to Know About Smoking and Lung Cancer The Content Science Education Enhances Knowledge (SEEK) A vaccine to stop lung cancer? It's made from tobacco taxes and legislation 10 Harmful Effects of Cigarette Smoking on the Respiratory System
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