do cigarettes cause lung cancer Does Smoking Smoking & Lung Cancer: How
Smoking & Lung Cancer: How Cigarettes Damage Your Lungs Protective cells could cut risk of lung cancer for ex smokers UCL News UCL University College London This is lung cancer, but how smoking causes lung MEDizzy 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
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