What Happens When You Quit Smoking and Start Vaping Instead? While vaping is not risk free, it is less harmful than tobacco Our World in Data Is Vaping Bad For You? What Does Vaping Do to Your Lungs? Johns Hopkins Medicine Can vaping damage your lungs? What we do (and don't) know Harvard Health Queensland Health We said what we said. Vapes are filled with heaps of nasty chemicals that can be harmful to your short and long term health. They can Instagram