"Nicotine is highly addictive and it does not do your body good. But there are pros to getting away from the burning combustibles that are on fire when you light a cigarette," said Dr. Valerie Frey-McClung from the West Virginia University Prevention Research Center.

http://www.wowktv.com/story/22674449/wvu-doctors-outline-pros-and-cons-of-e-cigarettes