Secondhand vape exposure: Risks and side effects Thirdhand Smoke Resource Center Protecting Californians Evidence Mounts About the Health Impact of Second Hand Vaping Bisnar Chase The Dangers of Secondhand & Thirdhand Smoke Exposure Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN Does Vaping Cause Secondhand Smoke?