How Second hand Smoking Affects Pets The Issues of Testing for Secondhand Smoke. Indoor Science Vaping Around Babies How Secondhand Vapor Smoke Can Harm Kids Researchers Warn of Potential Harm From E Cigarette Secondhand Vapor AZPM How can I protect my child from thirdhand smoke in homes? Thirdhand Smoke Resource Center Does vaping (using e cigarettes) make a difference to our health and are there harms with second hand vaping? iHealth Facts