The risks of vape pens' secondhand aerosols Secondhand vaping may pose risk to your kids: New study Secondhand aerosol from vapes still exposes others to harmful substances. #SecondhandExposure #HealthySpaces #YouthHealth Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center ? () Although often promoted as safer than traditional cigarettes, e cigarettes still harm the body in many ways. 1. Health Risks Most vapes contain nicotine,