E Cigarettes: Know the Health Risks Department of Health E Cigarettes and Pregnancy Maternal Infant Health CDC What We Know About Vaping Smokefree Vaping and Electronic Cigarette Toxicity Overview and Recommendations (Project VECTOR) Intrepid Lab Your Body Immediately After Vaping an E Cigarette 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.