UK prescribed medical cannabis is typically vaporised rather than smoked to...

https://mylesjnqb962.iamarrows.com/if-my-dose-increases-later-what-costs-usually-change-a-guide-for-uk-prescribed-cannabis-patients

UK prescribed medical cannabis is typically vaporised rather than smoked to avoid harmful toxins from combustion. Vapour temperature and device type (conduction vs convection) influence dosage and effects