what are the cancer causing chemicals in cigarettes Health Effects of Cigarettes: | Smoking and Tobacco Use Cigarette smoke contains thousands of

Cigarette smoke contains thousands of chemicals, many of which are toxic and harmful to the human body. Here's a detailed breakdown of some of the most dangerous constituents and their effects: 1. 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 Health Risks of Secondhand Smoke and Aerosols Factsheet US EPA What chemicals are in a cigarette? What does smoking do to your body? Cancer Research UK

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