Medical cannabis has been legal in the UK since 2018, though it is accessed...

https://www.web-bookmarks.win/since-becoming-legal-in-the-uk-in-2018-medical-cannabis-has-become-an-option

Medical cannabis has been legal in the UK since 2018, though it is accessed exclusively through specialist private clinics. To be eligible, patients must have a diagnosed condition and have already trialled conventional treatments without success