UK prescribed medical cannabis is taken via vaporisation to avoid harmful smoke...

https://jeffreyssupernews.image-perth.org/why-does-my-herb-vape-heat-unevenly-understanding-conduction-hot-spots-and-improving-your-vapour-experience

UK prescribed medical cannabis is taken via vaporisation to avoid harmful smoke inhalation, which is not permitted. Temperature settings and device type (conduction vs convection) influence how cannabinoids are released, affecting effectiveness