does the tar in cigarettes cause cancer How smoking 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 Lung cancer is dangerous for several reasons, and a number of factors make it particularly deadly. According to experts, smoking has become very common these days and is one of the main Health Effects of Smoking on Your Body Carbon monoxide & tar PPTX
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