Cách sử dụng
Nicotine is a chemical substance found in cigarettes and tobacco that can be addictive. It is what makes smoking addictive and difficult to quit. It is also found in some other plants, such as tomatoes, eggplants, and potatoes. When people talk about nicotine, they are usually discussing its effects on the body, health, and addiction. If you are a smoker or have a friend who smokes, they may use the word nicotine to refer to the substance in cigarettes.