US FDA gives marketing nod to an e cigarette for the first time, ETBrandEquity FDA Oversight of E Cigarettes Gathers Speed NCI Adolescents' Use of Pod Mod E Cigarettes Urgent Concerns New England Journal of Medicine In recent years, the number of e cigarette users worldwide has sharply increased, with many believing that vaping is less harmful than smoking traditional cigarettes. However, health experts are warning of its negative E cigarettes and health: the jury is still out Harvard Health News What Are the Different Types of Vape Device?