Juul study shows secondhand vaping emissions are less toxic than cigarette smoke Think vaping is a safer choice? Think again! Vaping may look harmless, but it's loaded with nicotine and toxic substances that can increase blood pressure and raise the risk of heart Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London Is Second Hand Vape Smoke Bad Is Secondhand Vape Smoke Bad for You? Is Second Hand Vape Smoke Bad Second Hand Vaping