how does cigarette smoke cause lung cancer The harmful chemicals in smoking 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 Lung Cancer Treatment & Smoking
Lung Cancer Treatment & Smoking Effects American Oncology Health Problems Caused by Secondhand Smoke Smoking and Tobacco Use CDC Your Body on Cigarettes: The First Drag to Lung Disease World No Tobacco Day: Choose Health, Not Tobacco Tobacco use is a risk factor for several types of cancer, including cancers of the lung, mouth, throat, esophagus, pancreas, bladder, and stomach. Lung
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