Health effects and known pathology associated with the use of E cigarettes ScienceDirect Health impacts of electronic cigarettes ANU National Centre for Epidemiology and Population Health E cigarettes: facts, stats and policy recommendations Oral Health Risks of Vaping 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.