Teens say they don't vape, they 'Juul.' That makes the activity hard to track Los Angeles Times More than half of teens who vape use Juul, new studies show It's not just vapor. Your vape could contain the same amount of nicotine as of 30 packs of cigarettes, plus other harmful chemicals. Want help quitting? SMCHDs next Nicotine Cessation Class starts Juul vape: What is it, why are teens addicted, and is it safe? CNET Best JUUL Alternative to Buy in 2026