Electronic cigarettes and health Revealed.
From many research has result that electric cigarette has no benefit and cannot stop smoking behaviour. Even now the e-cigarette used by children because the parent think this is not dangerous.
Behind the vapor, this video explain how danger this e-cigarette with the "heavy" smoke.

Readings:
1. http://www.medicalnewstoday.com/articles/249784.php
2. http://www.bbc.com/news/health-31146418