UK prescribed medical cannabis is vaporised rather than smoked to avoid harmful...

https://high-wiki.win/index.php/Why_Do_Higher_Temperatures_Hit_Harder_But_Taste_Worse%3F_Understanding_Vaping_in_UK_Prescribed_Cannabis

UK prescribed medical cannabis is vaporised rather than smoked to avoid harmful toxins. The effectiveness varies with device type—conduction heats directly, convection uses hot air—and temperature controls dosage and flavour