More and more, people are trying to quit smoking by replacing their tobacco-filled cigarette with an electronic cigarette, or e-cigarette. The good news is that by using e-cigs instead of regular cigarettes, the smoker is no longer exposing his lungs to smoke multiple times a day. The bad news is that e-cigarettes:
Still contain nicotine
Contain other chemicals that are not regulated in any way
Are unproven in terms of their ability to help people quit smoking...