Is Secondhand Vaping Harmful To Your Health? What Are the Risks from Secondhand Vape Smoke? NVB Inc. 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 Can I be Affected by Secondhand Vape Smoke? Differing Opinions About Second Hand Vape Exposure Vaping Post Tobacco Smoke, Vaping, and Asthma AAFA.org