Medical cannabis has been legal since 2018 but isn't a first-line arthritis...

https://www.red-bookmarks.win/since-becoming-legal-in-2018-medical-cannabis-has-been-an-option-for-some-uk

Medical cannabis has been legal since 2018 but isn't a first-line arthritis treatment. Access requires a specialist assessment, often via private clinics, once standard care is exhausted