Medical cannabis has been legal in the UK since 2018, though access remains...

https://aged-wiki.win/index.php/Why_is_evidence_still_a_big_deal_for_UK_medical_cannabis%3F

Medical cannabis has been legal in the UK since 2018, though access remains strictly controlled. You will need a specialist assessment and clear records of two prior treatments. Many patients now use private clinics to access the care they need.