UK prescribed medical cannabis is typically vaporised, not smoked, to avoid...

https://www.last-bookmarks.win/uk-medical-cannabis-is-often-vaporised-rather-than-smoked-to-avoid-harmful

UK prescribed medical cannabis is typically vaporised, not smoked, to avoid harmful toxins from combustion. Vaporisation methods—conduction or convection—and device temperature influence how cannabinoids are delivered and absorbed