Health Risks of Secondhand Smoke and Aerosols Factsheet US EPA Vaping and Electronic Cigarette Toxicity Overview and Recommendations (Project VECTOR) Intrepid Lab 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. Ban on vaping: reality check or turf war? RTD E Cigarettes: Know the Health Risks Department of Health Toxicity, Chemistry, and Public Health Relevance of Emerging Nicotine Analog Vapes, Pods, and Pouches Chemical Research in Toxicology