Researchers Warn of Potential Harm From E Cigarette Secondhand Vapor AZPM Is Second Hand Vape Harmful Is Second Hand Vape Harmful? Risks & Facts Black Note Australia Second Hand Vaping Side Effects Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center Is it risky to smoke or vape around companion animals? RSPCA Knowledgebase 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 Electronic Cigarette Aerosol and Indoor Air Quality US EPA