Health Problems Caused by Secondhand Smoke Smoking and Tobacco Use CDC 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 Secondhand Vaping Harmful To Your Health? Should I Be Concerned About Secondhand Vaping? The health risks of secondhand smoke are widely understood. But what about secondhand vaping? Secondhand exposure to vaping can cause serious respiratory issues study The Jerusalem Post