Toxic metal particles can be present in cannabis vapes even before the first use American Chemical Society New study says more teens are using e cigarettes to smoke weed The Independent The Independent Beginner's Guide to Choosing Cannabis Vape Pens THC Guide to Cannabis Vaping The Sanctuary Vaping #cannabis is often seen as a safer alternative to smokingbut it still carries real risks, especially for young people. #Research shows that vaping #THC (the psychoactive compound in cannabis) can deliver