what substance in a cigarette causes lung cancer

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  • How does smoking cause lung cancer?

  • How Does Smoking Cause Lung Cancer? While smoking isn鈥檛 the only cause of lung cancer, you are at much greater risk of lung cancer if you are a current or past smoker. When you smoke, the cancer-causing substances in cigarettes, called carcinogens, begin to change the tissue in your lungs almost immediately.

  • What chemicals in tobacco smoke cause cancer?

  • Up to 70 of the chemicals found in tobacco smoke cause cancer. Many of these cancer-causing chemicals in tobacco smoke have other surprising uses. Polycyclic aromatic hydrocarbons are a group of dangerous DNA-damaging chemicals, including benzo (a)pyrene

  • What is the relationship between tobacco and cancer?

  • Tobacco use can cause cancer almost anywhere in your body. If you were asked to describe the relationship between tobacco and cancer, you might think of lung cancer. It鈥檚 true that smoking tobacco products (including cigarettes and cigars) causes almost nine of every 10 cases of lung cancer.

  • How does tobacco affect the lungs?

  • The results of many studies on the effects of tobacco have shown that cigarette smoke carries numerous chemicals, called 鈥渕utagens鈥? that cause lung tissue cells to mutate. Substances such as carbon monoxide, hydrogen peroxide, and benzopyrene contained in cigarette smoke affect how cells change and grow.

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