Health effects of tobacco

Tobacco is a plant that people smoke or chew to get nicotine, a drug that can make them feel relaxed. Smoking or chewing tobacco causes many different health problems. The smoke from tobacco can irritate your lungs and throat, making it hard to breathe and talk. It can also damage your heart, making it harder for your body to get enough oxygen. Nicotine in tobacco is also one of the most addictive drugs, meaning it will make it hard for you to quit once you start. Other health problems from smoking or chewing tobacco include lung and mouth cancer, stroke, and other diseases.