Asthma and Allergy Foundation Tobacco can be bad for your health even if you are not the one smoking. Breathing in the smoke can lead to many health problems. Vaping is Health Effects of Maternal Exposure to Thirdhand Chemical Residue from Vape Aerosols Persist Long After Infancy Thirdhand Smoke Resource Center Characteristics of second hand exposure to aerosols from e cigarettes: A literature review since 2010 ScienceDirect Health Problems Caused by Secondhand Smoke Smoking and Tobacco Use CDC Frontiers Publishing Partnerships Prenatal nicotine exposure during pregnancy results in adverse neurodevelopmental alterations and neurobehavioral deficits Thirdhand Smoke Resource Center Protecting Californians