Illustration of the four generations of e cigarette or vaping products. Download Scientific Diagram Teens use Juul e cigarettes much more often than other vaping products E Cigarette How E Cigarettes Work, Health Risks & Teen Use DYK 174,000+ Louisiana youth currently use tobacco products. Research shows that most young people who vape do not know that e cigarettes contain nicotine, instead thinking it is harmless water vapor. Most adults FDA says liquid nicotine products that resemble candy, juice boxes are a danger to children PBS News