http://www.medicaldaily.com/consumers-unclear-about-risks-or-benefits-e-cigarettes-340222
5150sick Under Ground Hustler Staff member VU Administrator Senior Moderator VU Donator Diamond Contributor Press Corps Member For 5 Years Mod Team Leader Jun 27, 2015 #1 http://www.medicaldaily.com/consumers-unclear-about-risks-or-benefits-e-cigarettes-340222