PHE publishes independent expert e cigarettes evidence review GOV.UK The impact of e cigarette exposure on different organ systems: A review of recent evidence and future perspectives ScienceDirect E cigarettes and vaping DrugWise Electronic Cigarette Use (Vaping) Among Adolescents: A Narrative Review of an Emerging Public Health Epidemic Cureus Scientists say the evidence is clear: E cigarettes beat patches and gum in helping smokers quit ScienceDaily E Cigarettes: An Evidence Update PPTX