Second Hand Vaping Vape Smoke Free Secondhand Smoke Vermont Department of Health Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN Secondhand smoke and secondhand aerosol Secondhand smoke and secondhand aerosol Vaping refers to the act of inhaling and exhaling aerosol, often called vapor, produced by an electronic cigarette or similar device. These devices heat a liquid that usually contains nicotine, flavorings, and