Frontiers Pulmonary function and physical performance in adolescent e cigarette users: a narrative review Health effects of electronic cigarettes Wikipedia Global youth vaping and respiratory health: epidemiology, interventions, and policies npj Primary Care Respiratory Medicine Flavored e cigarettes are causing permanent lung damage. E cigarettes heat liquid chemicals into an aerosol designed to be inhaled deeply. That delivery method matters. Like a medical nebulizer, vaping efficiently carries substances straight asthma tobacco Asthma Initiative of Michigan Cardiopulmonary Impact of Electronic Cigarettes and Vaping Products: A Scientific Statement From the American Heart Association Circulation