Researchers Warn of Potential Harm From E Cigarette Secondhand Vapor AZPM Secondhand vape plumes could form lung damaging radicals American Chemical Society While vaping is not risk free, it is less harmful than tobacco Our World in Data ? () Although often promoted as safer than traditional cigarettes, e cigarettes still harm the body in many ways. 1. Health Risks Most vapes contain nicotine, Effects Of Second Hand Vape Smoke Harmful To Dogs Is Secondhand Smoke Worse Than Smoking A What Are the Risks from Secondhand Vape Smoke? NVB Inc.