What Does A JUUL Really Do To Your Body? Franciscan Health 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 E Cigarettes (Vapes) Smoking and Tobacco Use CDC Vaping Dangers: What Parents Should Know Attorney General Brian Schwalb The Dangers of Juuling National Center for Health Research JUUL Pod Ingredients: What's in E Cigarettes?