E cigarette Characteristics, Safety Issues, & Regulation Britannica Can vaping cause cancer? The evidence suggests it might. The Washington Post Virtual Vape Smoke Simulator App on Amazon Appstore Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London Community Medical Centers The rise of e cigarettes: addictive and deadly