Is Second Hand Vape Smoke Bad For You? Learn How to Avoid its Side Effects E cigarettes contain hazardous substances, addictive and harmful Millions of people are exposed to secondhand smoke every day. People living in multi unit housing are some of the most exposed. The only way to fully protect people from secondhand smoke at TobaccoControlYouthEngagement Vaping can cause severe lung complications, which in some cases can be fatal The tobacco epidemic is one of the biggest public health threats the world has ever faced, killing more Early research says secondhand smoke from vaping may not be as bad as cigarettes, but it's still not harmless. https: fox59.com news national world does vaping cause secondhand smoke doctors explain the side effects