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

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

UK prescribed medical cannabis is commonly vaporised rather than smoked to avoid harmful toxins. Vaporisation methods—conduction and convection—differ in heat source and temperature control, impacting dosage and effect