Since 2018, the UK has allowed medical cannabis to be prescribed by specialists...

https://www.adirs-bookmarks.win/since-2018-medical-cannabis-has-been-available-in-the-uk-as-a-regulated

Since 2018, the UK has allowed medical cannabis to be prescribed by specialists for certain conditions, under strict regulations. The National Institute for Health and Care Excellence (NICE) provides evidence-based guidance to support safe use