Some see it as an alternative to the real thing, but there is a new concern over E-cigarettes.
The Minnesota Poison Control System says it seeing a dramatic rise in the number of children being poisoned by the e-cigarettes liquid nicotine.
The liquid is heated to simulate the effects of a real cigarette.
None of the children were hospitalized or seriously injured, but the State's Health Commissioner Doctor Ed Ehlinger says it high lites the potential risks and the importance of storing e-cigs out of the reach of children.