For example, vitamin E acetate has been indicated in EVALI, which stands for e-cigarette or vaping product use associated lung injury. Some of these additives found in e-liquid are dangerous - even deadly. “For example, there are reports that people may put essential oils, multivitamins or traces of medicines into e-liquids.” Is vape juice safe? “There are all kinds of concoctions,” he says. There can be flavors, dyes, nicotine, THC (the ingredient in marijuana that causes a “high”) and other substances. “Vape juice can contain a variety of things that could be toxic,” Blaha says. He explains that while there may be production standards for commercial e-cigarette companies, standards for vape shops, off-brand online vendors or “homemade” vape juice blends are less consistent. “There are so many ingredients in e-liquids, and to date, no one is taking responsibility to account for them,” notes Blaha. Even the heating coil, which allows the liquid to become an inhalable aerosol, releases new chemical substances and trace metals that go into the user’s lungs. Vape juices usually include nicotine and many other additives and chemicals, and Blaha says the unpredictable variety of ingredients is a problem. What is in vape juice?įlavor is just one of the ingredients in e-liquid.

Johns Hopkins cardiologist Michael Blaha, M.D., M.P.H., discusses vape flavors and other e-liquid ingredients, and how they may affect health, particularly for children and teens. Vape juice comes in a variety of flavors, including candy, bubblegum and children’s cereals. The vape juice is heated in e-cigarettes and vape rigs, and it creates an aerosol that users inhale. If you visit vape stores or vape websites, you’re likely to see a wide selection of colorful pods, cartridges and bottles filled with flavored e-liquid, or vape juice.

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