Health Risks of Secondhand Smoke and Aerosols Factsheet US EPA Vaping May Be More Dangerous Than Cigarette Smoking, Studies Show University Hospitals Can I be Affected by Secondhand Vape Smoke? 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