The electric cigarette can be used as a substitute for traditional tobacco products, but it still remains controversial. Run by batteries inside the mechanism, an electronic cigarette releases controlled doses of vaporized nicotine. The atomizer inside an e-cigarette is what makes it release doses of nicotine vapor into the mouthpiece. There are some brands of e-cigarettes that have LED lights to signal when a dose has been lit up. The parts that compose electronic cigarettes, such as its segments, are made to look like real cigarettes. There are different concentrations of nicotine solutions that can satisfy the demand of any smoker. A large number of doctors believe that e-cigarettes pose little health risk than traditional ones. E-cigarettes however, continue to be prohibited in most developed countries, yet some are circulating them.
