does tar in cigarettes cause cancer How Smoking and Nicotine Damage Your Body The Content – Science Education
The Content Science Education Enhances Knowledge (SEEK) 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 Smoking & Lung Cancer: How Cigarettes Damage Your Lungs Health effects of smoking tobacco Wikipedia Tar PPTX How does smoking cause cancer? Cancer Research UK
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