E Cig Vapor Or Secondhand Smoke: Which Is Worse For You? 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 What Does Vaping Do to Your Lungs? Johns Hopkins Medicine What harm does second hand fumes from vaping cause to young lungs? Medical experts want to know ABC11 Raleigh Durham Vaping not only affects your own health, it can also harm your loved ones and those around you. Passive (or second hand) vaping can happen when you're vaping in the same room,