the holes meant smokers drew in air along with the burning tobacco
Vape pens come in many shapes and sizes, but they all work based on the same principle: A battery-powered core heats and then rapidly cools a vape liquid, also called e-liquid or vape juice, creating a smoke-free aerosol that a user inhales, or "vapes." Vape juice can contain nicotine that's either synthetic or derived from tobacco, but it doesn't contain tobacco leaves or other chemicals found in the plant
Reducing or stopping nicotine and vaping exposure may help support overall lung health
At one year following enrollment in the study, 18% of the smokers who were provided with refillable e-cigarettes had stopped using cigarettes, compared with 9.9% of the smokers who were provided with nicotine-replacement therapies
Their test equipment mechanically drew air through the electronic devices
EASY AUTOMATIC TOBACCO LOADING - Large hopper holds enough tobacco for up to 30 cigarettes