The same is true for nicotine gum and patches: some carriers classify the gum and patch as non-smokers while others are classified as a smoker
Since their introduction, vaping devices have been studied for the numerous potentially harmful chemicals they can introduce into users, including: heavy metals (cadmium, nickel, lead), plastic-related toxic gases (like cyanide and phosgene), volatile organic compounds, ultrafine particles, and diacetyl flavoring (linked to a chronic pulmonary syndrome known as popcorn lung, which is not as appealing as it sounds) 4
One product type, which has been on the U.S
Weighing Flavors Companies also argued that while the guidance seeks to deter youth use of e-cigarettes, it sets a high burden for authorization of fruit and candy-flavored products that the agency deems to have the potential to appeal to younger people