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. Vaping has become common, but it's important to know what you're inhaling. Many e cigarettes contain nicotine, heavy metals like nickel and lead, and chemicals that can harm your lungs and overall health. Medical Infograph. This Infograph compares the potential health risks Download Scientific Diagram The Dangers of Vaping Oral Health Perspective E Cigarettes: Know the Health Risks Department of Health Health Effects of Vaping