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 Does Only Smoking Cause Lung

Does Only Smoking Cause Lung Cancer? Myths vs. Facts Smoking is the number one cause of lung cancer. It causes about 90% of lung cancer cases. Tobacco smoke contains many chemicals that are known to cause lung cancer. If you still Cigarette smoking is the leading risk factor for lung cancer which is the second most common cancer in men in Malaysia. #NCSM #NCSMEdu #NoTobacco How cigarette smoke skews immune responses to promote infection, lung disease and cancer Nature Reviews Immunology

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