how does smoking cigarettes cause lung cancer The harmful chemicals in 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 Cigarette smoking is the leading

Cigarette smoking is the leading risk factor for lung cancer which is the second most common cancer in men in Malaysia. #NCSM #NCSMEdu #NoTobacco Original Poster Cigarettes Cause Lung Cancer Health Safety Anti Smoking Tobacco eBay Smoking and Your Physical Health Make Smoking History Cigarettes cause lung cancer What Causes Lung Cancer, Is It Hereditary & Known Risk Factors

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