Users of e cigarettes had increased odds of peptic ulcer disease compared to those who have never used them, a cross sectional study found. http: ms.spr.ly 6184tEgZ4 E cigs outperform gum and patches in quit smoking study wtol.com Professor Peter Hajek, MA PhD C Clin Psych Wolfson Institute of Population Health PDF) Are 'dual users' who smoke and use e cigarettes interested in using varenicline to stop smoking altogether, and can they benefit from it? A cohort study of UK vapers