Effect of unguided e cigarette provision on uptake, use, and smoking cessation among adults who smoke in the USA: a naturalistic, randomised, controlled clinical trial eClinicalMedicine Global youth vaping and respiratory health: epidemiology, interventions, and policies npj Primary Care Respiratory Medicine Cardiovascular effects of electronic cigarettes Nature Reviews Cardiology New research: Second hand vaping is NOT harmless A recent study published on PubMed is raising serious concerns about the health effects of second hand exposure to e cigarettes. People exposed to second hand Public Health Consequences of E Cigarettes Electronic cigarettes and cardiovascular disease: epidemiological and biological links Pflgers Archiv European Journal of Physiology Springer Nature Link