why does cigarette smoking cause lung cancer Smoking: The Main of Lungs Lung
Lung Smoking Cigarettes Causes Lung Cancer Does Only Smoking Cause Lung Cancer? Myths vs. Facts Carcinogenic mechanisms of smoking in lung cancer. Abbreviations: PAHs, Download Scientific Diagram 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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