JUUL exposure results in delivering nicotine (cotinine) systemically. Download Scientific Diagram 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 As teen use of Juul soars, doctors ask, what's really in these e cigs? Nicotine In Juul Pod E cigarette giant Juul quits selling fruit flavored vape pods to stores Juul's nicotine almost same as Marlboro's, says study FMT