More than half of teens who vape use Juul, new studies show Are JUULs Worth It? Wickedly Hot Vapors JUUL vs. Vape Pen Which Is Right for Me? 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 JUUL vs. Vape, Which is better for Health? UPENDS Are Juuls Better Than Vapes Juul to pay nearly 0 million to settle probe into underage