Medical cannabis has been legal in the UK since 2018 under specialist...

https://www.save-bookmarks.win/legal-in-the-uk-since-2018-medical-cannabis-is-never-a-first-line-treatment

Medical cannabis has been legal in the UK since 2018 under specialist oversight. It is not a first-line treatment and experiences vary. Some patients find it helps them wind down, but talk to your doctor to see if it is an appropriate, safe choice.