Juul vape: What is it, why are teens addicted, and is it safe? CNET What are the harmful ingredients in Juul pods? 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 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 Do Juul Pods Contain Formaldehyde Tobacco Tuesday Tip One Juul pod = 20 cigs. Some vapes = Connecticut tobacco shops, schools grapple with sharp rise of teen vaping Hartford Courant