PG Intolerance: Recognising the symptoms and what you can do about it Did you know that vapes can cause serious Allergic Reactions? Thanks to @natashasfoundation for bringing this to our attention! They are calling on manufacturers to start labelling e cigarettes with clear allergen information E cigs: More Dangerous Than We Thought Colorado Allergy & Asthma Centers, P.C. e cigarette et risque d'allergie respiratoire Doctissimo