does the tar in cigarettes cause cancer harmful chemicals smoking directly damage lung cells, causing DNA mutations that increase risk. Over time, these damaged cells grow abnormally, leading to tumor formation in the lungs. Quitting smoking 💀 The image of blackened

The image of blackened lungs isn't a prop. It's the harsh reality of smoking. While healthy lungs are a pinkish color, cigarette smoke causes permanent, heavy staining from tar and other particulate Cigarettes: the hard truth Canadian Cancer Society What chemicals are in a cigarette? What does smoking do to your body? Cancer Research UK How smoking puts tar into your lungs and damages them

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