About one in four adults in California report being exposed to secondhand smoke or vape in the past two weeksoften on sidewalks, at home, and in recreational spaces like parks and beaches. Can I be Affected by Secondhand Vape Smoke? How can I protect my child from thirdhand smoke in homes? Thirdhand Smoke Resource Center Parents using e cigs expose kids to dangerous secondhand vapor Futurity Second hand vape smoke linked to more asthma symptoms in kids Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN