Secondhand Vape Exposure: Effects, Who's at Risk, and More Symptoms Of Second Hand Vape Smoke Can Second Hand Vape Smoke Affect Pregnancy The Real Risks Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center The health risks of secondhand smoke are widely understood. But what about secondhand vaping? Secondhand vape exposure: Risks and side effects Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London