Cognitive confusion: A cross sectional study on the cognitive differences between traditional tobacco and e cigarettes among college students in Zhejiang Province, China Prevalence and characteristics of e cigarette users in Great Britain: Findings from a general population survey of smokers ScienceDirect Hi! Are you or someone you know between the ages 1625 currently using electronic vaping devices (nicotine or cannabis vapes)? If so, this is the perfect study for you! We are currently Examining the effectiveness of general practitioner and nurse promotion of electronic cigarettes versus standard care for smoking reduction and abstinence in hardcore smokers with smoking related chronic disease: protocol for a randomised controlled Carboxyhaemoglobin levels, health and lifestyle perceptions in smokers converting from tobacco cigarettes to electronic cigarettes