What's behind the explosive growth of JUUL Juul e cigarettes win FDA authorization, sources say FDA rescinds marketing ban on Juul vaping products CNN 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 E cigarette giant Juul quits selling fruit flavored vape pods to stores Los Angeles Times