how cigarette smoking causes lung cancer does cause cancer? Lung Cancer Treatment & Smoking
Lung Cancer Treatment & Smoking Effects American Oncology 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 How Quitting Smoking Lowers Lung Cancer Risk and Other Illnesses What Causes Lung Cancer, Is It Hereditary & Known Risk Factors
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