how does smoking tobacco cause lung cancer Cancers linked to use make up 40% of all cancers diagnosed in the United States | CDC Online Newsroom 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 Smoking causes lung cancer 2 What Is Smoker Lung? Difference Between Healthy Lungs Smoking causes lung cancer 1 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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