Hidden Dangers of Secondhand Vaping Emory Health Digest When someone vapes around others they expose them to 'second hand aerosol'. But what happens to that aerosol then? Does it disappear or is it like cigarette smoke and stays around, sticking to Secondhand smoke from vaping could be harmful to children: study ABC13 Houston Has someone ever told you that vaping is harmless? The truth could not be further. Vaping is addictive and harmful to your health. It is also illegal in Singapore, and Secondhand Smoke and Electronic Cigarette Aerosols US EPA Parents using e cigs expose kids to dangerous secondhand vapor Futurity