UK prescribed medical cannabis is typically vaporised rather than smoked, as...

https://paxtonsbrilliantthoughts.readspirex.com/posts/what-s-the-point-of-avoiding-combustion-with-medical-cannabis

UK prescribed medical cannabis is typically vaporised rather than smoked, as vaping avoids harmful combustion byproducts. Temperature and device type—conduction or convection—impact the release and experience of active compounds