JUUL2 Juul Labs Science How many puffs in a pod? The science of Juuling EdNC Poison center warns of JUUL use; 1 pod has 5% nicotine or 1 pack of 20 cigarettes FDA orders Juul e cigarettes off the market in the U.S. STAT 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 Vaping Talk Now AZ