There have also been concerns about potentially harmful chemicals contained in Juul's e-liquid pods
Stanford Medicine (n.d.)
No matter how you choose to quit, you need to know this: The best way to stop smoking is to stop desiring a cigarette BEFORE you actually stop smoking
These items include: Alcoholic Beverages Over 140 Proof Gasoline, Butane & Propane Chemicals Or Hazardous Substances Hair Styling Tools That Contain A Gas Cartridge And Are Butane-Fueled E-Cigarettes And Vapes Electronics With Lithium Batteries Engine-Powered Equipment With Residual Fuel Firearms Such As Hand Grenades Or Rocket Launchers Flammable Liquid, Gel, Or Aerosol Paint Lighters With Fuel (Unless Properly Stored In A Dot Approved Container), Lighter Fluid And Matches Live Specimens Such As Coral Or Fish More Than 2l Or 2kg Of Gels, Liquids Or Aerosols Poisons Like Pesticides And Cyanide And Radioactive Material Realistic Replicas Of Explosives And Incendiaries Sharp Objects Such As Knives, Razors Or Scissors Spray Bug Repellent, Spray Paint, Spray Starch, Cooking Spray and Self-defence Spray

Of course, this study is cross-sectional, meaning it tracks population trends rather than following individuals and cannot definitively prove vaping was the cause of the rapid fall in New Zealand smoking