Electronic cigarettes are harmful?

E-cigarettes are a high-tech product that imitates tobacco smoke, because it does not contain tar and carbon monoxide, and many flavors are welcomed by many smokers, but are e-cigarettes really safe?

The difference between electronic cigarettes and real cigarettes

Nowadays, there are two main types of cigarettes on the market: real cigarettes and vapor e-cigarettes. Although they are two mainstream cigarettes, but still some people do not quite understand what