Symptoms Of Second hand Vape Smoke 2nd Hand Vape Smoke Side Effects Health experts say not ? () 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 Vape Exposure: Effects, Who's at Risk, and More Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London Is Secondhand Vape Smoke Bad for You? The Truth on the Trend Molekule