Is Vaping Better Than Smoking? American Heart Association Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London Understanding Secondhand Vape Dangers and Their Impact on Your Lungs What Chemicals Are Present in Secondhand Vape Emissions? Is Second Hand Vape Smoke Harmful Secondhand smoke and secondhand aerosol ? () Although often promoted as safer than traditional cigarettes, e cigarettes still harm the body in many ways. 1. Health Risks Most vapes contain nicotine,