Endalkachew Melese, MD, MPH The Johns Hopkins University LinkedIn Johns Hopkins Medicine Team Proposes Ways to Regulate and Better Manage E Cigarette Use Johns Hopkins Medicine Johns Hopkins Public Health The Johns Hopkins Institute for Global Tobacco Control's VAPER Study collected data on the most commonly used devices and liquids by U.S. Instagram Kids Health Info : Vaping and e cigarettes The Long term Effects of Vaping on Pulmonary Function RT