While early research suggests it may not be as dangerous as secondhand smoking, it's still not harmless, experts say. https: www.wate.com news does vaping cause secondhand smoke doctors explain the side effects ?utm_medium=social&utm_source Secondhand Smoke Is a Risk for Pregnant and Breastfeeding Moms The Wellness Coalition Can you get second hand smoke from a vape? Understanding Secondhand Vape Smoke Eliquidstop Health Problems Caused by Secondhand Smoke Smoking and Tobacco Use CDC Project Filter Secondhand Vape Informational Poster #1 Idaho Health Tools Should I Be Concerned About Secondhand Vaping?