Juul vape: What is it, why are teens addicted, and is it safe? CNET 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 The Food and Drug Administration has authorized Juul Labs to keep its e cigarettes on the market, a major reversal after the agency completely banned the company's products in 2022. Introducing JUUL 2 Better than the Juul predecessor? Lets find out! The Dangers of Juuling National Center for Health Research