does tobacco cause lung cancer Causes and Risk Factors of 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 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: The Main Cause of Lungs Cancer Tobacco and Lung Cancer: The Science behind the Connection CK Birla Hospital Not every smoker gets lung cancer but that doesn't mean it's safe. Some people smoke for years and never develop lung cancer, while others get it much earlier. Why? It comes

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