Since 2018, the UK has allowed medical cannabis to be prescribed by specialists...

https://smart-wiki.win/index.php/How_Do_I_Bring_Up_Medical_Cannabis_at_a_Clinic_Without_Getting_Dismissed%3F

Since 2018, the UK has allowed medical cannabis to be prescribed by specialists under a regulated framework. Treatments follow evidence-led guidance, including recommendations from NICE, to ensure safety and consistency