does smoking cigarettes cause lung cancer causes Lung Cancer Treatment & Smoking

Lung Cancer Treatment & Smoking Effects American Oncology Cancer and Tobacco Use Vital Signs CDC 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 If you were asked about tobacco and cancer, you might think of lung cancer. It's true that smoking cigarettes and being exposed to other people's cigarette smoke cause almost 9 of every Smoking & Lung Cancer: How Cigarettes Damage Your Lungs

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