Marijuana and Vaping: Shadowy Past, Dangerous Present The New York Times Secondhand Smoke vs Vape: What the Science Says Vaping Around Babies How Secondhand Vapor Smoke Can Harm Kids Marijuana Smoke American Nonsmokers' Rights Foundation no smoke.org Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN The Dangers of Secondhand & Thirdhand Smoke Exposure