how do you get lung cancer from smoking cigarettes Treatment & 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 When you quit smoking, your risk of lung cancer goes down, along with your risk for a variety of other conditions. But you're still at a higher risk than someone who never Cigarette Smoking Is the Main Cause of Lung Cancer HealthXchange Avoid the Risk Factors to Reduce the Risk of Having Lung Cancer Life Cancer Center

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