E Cigarettes and Vaping OHSU Health effects of electronic cigarettes Wikipedia The hidden fire risks of vaping and e cigarettes: what you need to know 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 riskfree. Electronic cigarettes: A safe substitute? New Scientist Is Vaping Safer than Smoking? New Directions for Women