Menthol vs Tobacco JUUL Pods: Flavors & Ingredients Compared How Do You Refill a JUUL Pod? Flawless Vape Shop 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 Teens say they don't vape, they 'Juul.' That makes the activity hard to track Los Angeles Times The FDA's Juul Ban May Not be a Pure Public Health Triumph