Vaping is less harmful than smoking, experts say. Why don't smokers know this? Scienceline 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 Vaping May Be More Dangerous Than Cigarette Smoking, Studies Show University Hospitals Can I be Affected by Secondhand Vape Smoke? Second hand vape smoke linked to more asthma symptoms in kids E cigarettes may actually be worse for your heart than regular cigarettes MarketWatch