Since 2018, the UK has allowed medical cannabis as a regulated treatment...

https://suvzhinterworld.gumroad.com/p/what-does-it-mean-when-people-say-cannabis-used-to-be-about-identity

Since 2018, the UK has allowed medical cannabis as a regulated treatment option, prescribed only by specialist doctors. The National Institute for Health and Care Excellence (NICE) provides guidance based on available evidence to support safe use