What side effects do electronic cigarettes have?
Answers (1)
Electronic cigarettes (e-cigarettes), invented in 2003 by a Chinese called Hon Lik, are battery operated devices. It contains a battery, a heater, and a cartridge that contains a solution of nicotine, propylene glycol, and other chemicals. Since the history of electronic cigarettes is still short, the full impact they may have on health is not yet clear.
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