UK-prescribed medical cannabis is taken via vaporisation to avoid harms linked...

https://www.thelondoneconomic.com/lifestyle/health/how-medical-cannabis-vaping-works-temperature-devices-and-the-economics-behind-it-409054/

UK-prescribed medical cannabis is taken via vaporisation to avoid harms linked to smoking, which is not allowed. Vaporiser type (conduction or convection) and temperature settings impact how compounds are released and absorbed