does tobacco cause lung cancer Treatment & Smoking Effects The harmful chemicals in smoking
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 Lung Cancer Without Smoking? It Happens More Often Than You Think. Lehigh Valley Health Network Tobacco Related Cancer: 10 Warning Symptoms That Can Show Up In Your Mouth Cigarette causes lung cancer
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