Study uncovers the hidden dangers of secondhand vape exposure to children 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 Light smoking' before pregnancy can cause major health problems Second hand vape smoke linked to more asthma symptoms in kids Second hand e cigarette vapour increases risk of poor respiratory health, study finds Nursing in Practice