Health Effects of Vaping Smoking and Tobacco Use CDC Toxicity, Chemistry, and Public Health Relevance of Emerging Nicotine Analog Vapes, Pods, and Pouches Chemical Research in Toxicology 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.