Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN Vaping: Clearing the Air Baker Institute 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 Is Secondhand Vape Smoke Bad for You? The Truth on the Trend Molekule Secondhand Smoke and Electronic Cigarette Aerosols US EPA