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

https://mike-wiki.win/index.php/Is_Researching_Cannabis_Strains_for_Pain_a_Bad_Idea%3F

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