how does smoking tobacco cause lung cancer 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 SJC Public Health Services Lung cancer is the current leading cause of cancer related deaths worldwide and is primarily caused by smoking. Smokers are 15 to 30 times Instagram Smoking causes lung cancer 1 Smoking: Effects, Risks, Diseases, Quitting & Solutions 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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