Juul vape: What is it, why are teens addicted, and is it safe? CNET How Many Puffs Are in a JUUL Pod? Here's the Real Answer Inline Vape LLC Did you know? Some vape products have been tied to seizures and even found laced with fentanyl. One puff from a contaminated cartridge can be deadly. Keep yourself and our Yes, vaping is toxic. A U.S. teen developed "popcorn lung" after secretly vaping for three years a permanent, life altering disease. Officially known as bronchiolitis obliterans, the condition scars the lungs' tiniest