Health impact of E cigarettes: a prospective 3.5 year study of regular daily users who have never smoked Scientific Reports Frontiers Electronic cigarette use and consumption patterns in medical university students Comparing E Cigarettes and Traditional Cigarettes in Relation to Myocardial Infarction, Arrhythmias, and Sudden Cardiac Death: A Systematic Review and Meta Analysis Mohammed I. Yacoub, Aziz Aslanolu, Fadi Khraim, Anas Alsharawneh, Raghad Abdelkader, Electronic Cigarettes and Cardiovascular Risk Smoking E Cigarette Use: Device Market, Study Design, and Emerging Evidence of Biological Consequences