Is 2nd Hand Vape Smoke Bad According to the American Heart Association, the risks of secondhand Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN Tobacco Smoke, Vaping, and Asthma AAFA.org The Issues of Testing for Secondhand Smoke. Indoor Science Secondhand vaping: The latest vaping health risk CNET Juul study shows secondhand vaping emissions are less toxic than cigarette smoke