Teens say they don't vape, they 'Juul.' That makes the activity hard to track Los Angeles Times DYKOne Juul pod contains as much nicotine as a pack of cigarettes. Side effects include increased heart rate and blood pressure, lung disease, chronic bronchitis and insulin resistance leading to type 2 More than half of teens who vape use Juul, new studies show Safer does not mean safe': Wadena County area educators share concerns about youth vaping Wadena Pioneer Journal News, weather, sports from Wadena Minnesota What's the deal with JUULing? CORA Services