Frontiers Inflammatory and Oxidative Responses Induced by Exposure to Commonly Used e Cigarette Flavoring Chemicals and Flavored e Liquids without Nicotine How Many Puffs of a 20MG Vape Is Equal to a Cigarette? ADA urges FDA to reconsider proposed pathway for flavored e cigarette authorizations American Dental Association Electronic Cigarette Use Among Youth and Adolescents Dimensions of Dental Hygiene eCigarettes for smoking cessation: Do they deliver? Kitzen 2019 Journal of Clinical Pharmacy and Therapeutics Wiley Online Library E cigarettes not a gateway to smoking, may even speed its decline, says new study