How Bad Is Second Hand Vape Smoke Secondhand e cigarette aerosols expose kids to less nicotine Secondhand smoke and secondhand aerosol While vaping is not risk free, it is less harmful than tobacco Our World in Data Tobacco Smoke, Vaping, and Asthma AAFA.org Secondhand vaping may pose risk to your kids: New study According to the American Heart Association, the risks of secondhand smoke from vapes are still being discovered. Learn about the dangers of secondhand smoke from vapes.