what chemical causes cancer in cigarettes Chemicals 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 Smokeless tobacco and cigarette smoking: chemical mechanisms and cancer prevention Nature Reviews Cancer How does smoking cause cancer? Cancer Research UK Smoking and Bladder Cancer: What You Need to Know to Protect Yourself OncoDaily Cigarette smoking and lung cancer: chemical mechanisms and approaches to prevention ScienceDirect
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