How many puffs in a pod? The science of Juuling EdNC Juul can continue selling e cigarettes as FDA says vaping benefits outweigh risks PBS News 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 FDA orders Juul e cigarettes off the market in the U.S. STAT