cancer causing chemicals in cigarettes What are a cigarette? | What does smoking do to your body? Smokeless tobacco and cigarette smoking:

Smokeless tobacco and cigarette smoking: chemical mechanisms and cancer prevention Nature Reviews Cancer 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 Cigarette smoke contains more than 7,000 harmful chemicals, many of which are proven to cause cancer and other serious illnesses. There are around 500 stop smoking services with specialists who want to Teens inhale cancer causing chemicals in e cigarettes

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