Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London E Cigarettes: Is Vaping Bad for Your Teeth? Delta Dental Of Washington Secondhand smoke and secondhand aerosol In secondhand vape, scientists smell risk American Heart Association Does Vaping Cause Secondhand Smoke? While vapes are less harmful than cigarettes, they shouldn't be used by those who don't smoke. Vaping and nicotine can have a harmful effect on the body, especially in children