Poison center warns of JUUL use; 1 pod has 5% nicotine or 1 pack of 20 cigarettes 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 Vape vs Cigarette Nicotine: How Many 5% Vape Puffs Equal One Cig? F.D.A. Delays Decision on Juul's E Cigarettes but Orders Others Off the Market The New York Times Electronic Cigarettes Pact Coalition