The Impact of E Cigarettes and Asthma: What You Need to Know PolitiFact When someone's vaping nearby, what are you breathing in? The risks of vape pens' secondhand aerosols 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 vs Vape: What the Science Says 5 Vaping Facts You Need to Know Johns Hopkins Medicine Does cannabis create thirdhand smoke? Thirdhand Smoke Resource Center