Is Secondhand Vape Smoke Harmful Does cannabis create thirdhand smoke? Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN 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 Can Vaping Lead To Lung Problems?