Emerging Phenomenon of Electronic Cigarettes Page 3 Electronic Nicotine Delivery Systems (ENDS), including e cigarettes and vapes, are often perceived as a safer alternative to traditional tobacco. But is the evidence really supporting this belief? A recent umbrella review published E Cigarettes and Vaping OHSU Vaping harms your health Cancer Institute NSW Frontiers Direct health implications of e cigarette use: a systematic scoping review with evidence assessment Health effects and known pathology associated with the use of E cigarettes ScienceDirect