Which is the greater harm of e-cigarettes or cigarettes?

Cigarettes mainly consist of dried tobacco and other added ingredients. When lit, they produce nicotine, tar, acetone, benzene, and other substances that can harm the body. Electronic cigarette is a kind of electronic product imitating cigarettes and does not contain tar. Compared with e-cigarettes, cigarettes are more harmful, but both e-cigarettes and cigarettes can cause harm to the human body and increase the risk of diseases such as respiratory and cardiovascular systems. Therefore, it is recommended to quit smoking as much as possible. They should always take more fresh air, and psychological suggestion and distraction can be used to help them quit smoking.