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

https://touch-wiki.win/index.php/What_Do_UK_Patients_Get_Prescribed_Instead_of_Smokable_Cannabis%3F

UK prescribed medical cannabis is typically vaporised rather than smoked to avoid harmful toxins and ensure consistent dosing. The choice of vaporiser—conduction or convection—and temperature settings significantly impact the effects and absorption