how does tobacco cause lung cancer What Causes Cancer, Is It Hereditary & Known Risk Factors The harmful chemicals in smoking

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 Lung Cancer Treatment & Smoking Effects American Oncology Causes and Risk Factors of Lung Cancer This is how lung cancer develops. If you were asked to describe the relationship between tobacco and cancer, you might think of lung cancer. Its true that smoking tobacco products (including cigarettes and cigars) causes almost nine How Quitting Smoking Lowers Lung Cancer Risk and Other Illnesses

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