Medical cannabis has been legal in the UK since 2018, though it is not a...

https://wiki-planet.win/index.php/What_does_the_General_Medical_Council_(GMC)_have_to_do_with_medical_cannabis_prescribing%3F

Medical cannabis has been legal in the UK since 2018, though it is not a first-line treatment. To qualify, you must undergo a specialist assessment and provide full documentation showing that at least two previous therapies have failed