Duty-free only applies to international travel
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
Safely smoking cigarettes and other products Dont let that dart start a fire Too often, big, dangerous wildfires are started because people are careless with cigarettes, cigars, and other smoking materials like cannabis joints or matches
I just put it in the context with other drugs of abuse, but in the end, I remind them that nicotine kills more recovering addicts than all other drugs combined, primarily because of our denial about it and our inability to stop.