Health Effects of Vaping Smoking and Tobacco Use CDC An explosive issue E cigarettes and burn risk Comparison of adverse health effect, safety issue and regulation of 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. Vaping is often marketed as a safer alternative to smoking, but many vape products contain nicotine, harmful chemicals, and heavy metals that can harm developing brains and lungs.