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Smoking predisposes to lung cancer because of the tar and other substances. Smoking affects the morphogy of cells of the lungs and cilia through mutation. Mutation leads to uncontrolled growth of cells by suppressimg growth factors.for example small cell carcinoma.
Please let me know if you need in clarification. I am always happy to answer your questions
Please let me know if you need any clarification. I'm always happy to answer your questions.