Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London Secondhand Vape Exposure: Effects, Who's at Risk, and More ? () Although often promoted as safer than traditional cigarettes, e cigarettes still harm the body in many ways. 1. Health Risks Most vapes contain nicotine, Secondhand smoke and aerosol Is Vaping Better Than Smoking? A Data Based Comparison Morevaping Smoking vs vaping what are the key differences? Evapo