how does tobacco cause lung cancer Treatment & Smoking Effects 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 smoking tobacco Wikipedia If you were asked to describe the relationship between tobacco and cancer, you might think of lung cancer. Its true that smoking tobacco products (including cigarettes and cigars) causes almost nine 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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