Nonnicotine vapes may be marketed as safe, but many still contain chemicals, have unknown health effects, and aren't FDAregulated. Teens are using them more ofteneven alongside nicotine vapes. No ecigarette is risk free. Medical Infograph. This Infograph compares the potential health risks Download Scientific Diagram 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. Health Issues What's the Harm? Texas DSHS Health Effects Vaping Information, Solutions & Interventions Toolkit Stanford Medicine E Cigarette effects on oral health: A molecular perspective ScienceDirect