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