Is it worth buying electronic cigarettes?

It is worthwhile to buy electronic cigarettes.

Obviously, e-cigarettes are cheaper to smoke later, except when they are expensive at first.

What exactly is an e-cigarette? According to public information, an electronic cigarette is mainly composed of cigarette oil (including nicotine, essence, solvent propylene glycol, etc. ), heating system, power supply and filter tip. Through heating and atomization, aerosol with specific smell is generated for smokers to use. Broadly speaking, e-cigarette refers to electronic nicotine delivery system, including e-cigarette, hookah, hookah pen and other forms. E-cigarette in a narrow sense refers to a portable e-cigarette whose appearance is similar to that of cigarettes.