Health effects and known pathology associated with the use of E cigarettes ScienceDirect Going Smokefree: Alternatives to Cigarettes The evidence is clear: Young E cigarette users suffer from respiratory symptoms American Lung Association E cigarette use and respiratory symptoms in adults: A systematic review and meta analysis FDA ISSUES "DEEMING REGULATIONS" COVERING ADDITIONAL TOBACCO PRODUCTS INCLUDING ELECTRONIC CIGARETTES, CIGARS AND PIPE E Cigarettes, Vapes and Other Electronic Nicotine Delivery Systems (ENDS) Authorized by the FDA FDA