While vaping is not risk free, it is less harmful than tobacco Our World in Data Vaping releases toxic chemicals, including heavy metals, as well as ultrafine particles that go deep into the lungs. These increase the risk of heart and lung disorders. Does Vaping Dehydrate You? What You Should Know A guide to vaping Liquids blu All E Cigarettes Emit Harmful Chemicals, but Some Emit More Than Others Berkeley Lab Berkeley Lab News Center How to Properly Store E Liquids and Prevent Accidental Exposure of E Liquids to Children FDA