Can Smoking and Vaping Cause Back Pain? National Spine Health Foundation 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. Why Isn't More Known About the Harmful Nature of Vaping? Pittman, Roberts & Welsh, PLLC E cigarette flavors are toxic to white blood cells, warn scientists Is vaping safer than smoking? Dr Colin Mendelsohn Vaping harms your health Cancer Institute NSW