Vaping devices are battery powered and have coils in the system to heat up liquid of flavors people want to smoke. They are devices for people who want to quit smoking or some more “safely” than other forms of tobacco or drugs they bring all different tastes you feel like you are almost eating something. It produced vapor not smoke that’s why it’s called vaping there is no second hand smoke and there is no nicotine addiction it’s just as addictive as sugar and no popcorn lungs can be gotten either it’s all myths (that came from popcorn factories) not smoking big tobacco and big Pharma lost tons of money to the vaping Industry that’s why it’s so bad for you