How Juul Hooked Teens on Vaping and Ignited a Health Crisis Vaping is not replacing smoking. It is often added to it. This is called dual use. Nearly half of e cigarette users still smoke cigarettes. What this means: Smoking continues alongside vaping Electronic cigarette maker Juul Labs to pay nearly $650 million to settle states' teen vaping probe 5 Common JUUL Pod Errors and How to Fix Them Easily