Second hand e cigarette vapour increases risk of poor respiratory health, study finds Nursing in Practice Second Hand Vaping Vape Smoke Free Secondhand Vape Exposure: Effects, Who's at Risk, and More Health Effects of Maternal Exposure to Thirdhand Chemical Residue from Vape Aerosols Persist Long After Infancy Thirdhand Smoke Resource Center Smoking, vaping & pregnancy: in pictures Raising Children Network Vaping before, during and after pregnancy: leaflets and infographics ASH