Analysis suggests e cigarette use may be linked to lower rates of smoking Health effects of electronic cigarettes Wikipedia The Health Impacts of E Cigarettes Medical infograph. The infograph was developed by the Consumer Download Scientific Diagram Vaping harms your health Cancer Institute NSW 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.