what chemicals are in cigarettes that cause cancer How Do 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 Chemicals in Cigarettes: From Plant to Product to Puff FDA Cigarette smoke contains more than 7,000 harmful chemicals, many of which are proven to cause cancer and other serious illnesses. Did you know that your local Stop Smoking Service can be easily What Chemicals Are In Cigarettes?

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