Secondhand Vape Exposure: Effects, Who's at Risk, and More Secondhand smoke may be a substantial contributor to lead levels found in children and adolescents, new study finds A new study from The Ohio State University found that vaping during pregnancy, even without nicotine, can change a baby's skull and face shape. Researchers exposed pregnant mice to common vape liquids Is Secondhand Vaping Something to be Concerned About? In secondhand vape, scientists smell risk American Heart Association