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

https://www.flushthefashion.com/health/from-counterculture-to-clinic-how-medical-cannabis-shed-its-image-in-the-uk/

Since 2018, the UK has allowed medical cannabis to be prescribed by specialists under a regulated framework. Treatments follow evidence-led guidance, including recommendations from NICE, to ensure safety and consistency