Chemicals in vapes creating inflammation throughout body The combination of propylene glycol and vegetable glycerin e cigarette aerosols induces airway inflammation and mucus hyperconcentration Scientific Reports Teen Vaping: What Parents Can Do Children's Hospital Colorado Electronic cigarettes cause much less inflammation than tobacco Prevention Observatory of the Montreal Heart Institute Cardiopulmonary Impact of Electronic Cigarettes and Vaping Products: A Scientific Statement From the American Heart Association Circulation Vaping and the Brain: Effects of Electronic Cigarettes and E Liquid Substances The Journal of Neuropsychiatry and Clinical Neurosciences