Medical cannabis became legal in the UK in 2018, though it is strictly reserved...

https://www.pure-bookmark.win/since-2018-medical-cannabis-has-been-a-legal-option-in-the-uk-but-it-is-never

Medical cannabis became legal in the UK in 2018, though it is strictly reserved as a treatment option for those who have not found success with standard methods. It requires specialist oversight, and patient experiences are highly individual