5 Vaping Facts You Need to Know Johns Hopkins Medicine Just How Harmful Is Vaping? More Evidence Is Emerging. The New York Times Health effects of electronic cigarettes Wikipedia 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 Is Vaping Worse Than Smoking? Hartford HealthCare CT It's Not Just Cigarettes: Vape Residue Sticks on Surfaces Too Thirdhand Smoke Resource Center