Health Effects of E Cigarettes Kansas Health Institute Propylene glycol and vegetable glycerin e cigarette aerosols impact mucociliary function and cause cytotoxicity in human airway epithelium Scientific Reports The combination of propylene glycol and vegetable glycerin e cigarette aerosols induces airway inflammation and mucus hyperconcentration Scientific Reports E cigarettes can emit formaldehyde at high levels under conditions that have been reported to be non averse to users Scientific Reports 1,2 Propylene Glycol: A Biomarker of Exposure Specific to e Cigarette Consumption Queensland Health We said what we said. Vapes are filled with heaps of nasty chemicals that can be harmful to your short and long term health. They can Instagram