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 e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN Secondhand smoke is harmful to those around you, putting them at risk for serious health issues. Protect your loved ones from the dangers of secondhand smoke by getting started with 802 Quits Secondhand Vape Exposure: Effects, Who's at Risk, and More How secondhand smoke, thirdhand smoke & vaping affects kids