how does tobacco cause lung cancer Cigarette smoking is the leading risk factor for which is the second most common cancer in men in Malaysia. #NCSM #NCSMEdu #NoTobacco 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 Cancer and Tobacco Use What Causes Lung Cancer, Is It Hereditary & Known Risk Factors Smoking causes lung cancer New Zealand
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