Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN Just How Harmful Is Vaping? More Evidence Is Emerging. The New York Times Secondhand Exposure to E Cigarettes Puts COPD Patients At Risk Respiratory Therapy Secondhand smoke comes from more than just cigarettes. From vapes to cannabis to hookah, secondhand smoke from all products can expose people to harmful chemicals and pollutants. In this blog, Onjewel Smith Exposure to second hand nicotine from VAPING doubles risk of young adults developing a wheeze Daily Mail Online Project Filter Secondhand Vape Informational Poster #2 Idaho Health Tools