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

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

UK-prescribed medical cannabis is typically vaporised, not smoked, to avoid harmful toxins from combustion. Vapour quality varies with device type—conduction heats directly, convection uses hot air—and temperature settings influence effects and safety