smoking cigarettes cause lung cancer How does cancer? 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 Health Effects of Cigarettes: Cancer Smoking and Tobacco Use CDC What Causes Lung Cancer, Is It Hereditary & Known Risk Factors Lung Cancer Risk Factors and Prevention cCARE Cigarette smoking is the leading risk factor for lung cancer which is the second most common cancer in men in Malaysia. #NCSM #NCSMEdu #NoTobacco
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