Since 2018, the UK has allowed specialist doctors to prescribe medical cannabis...

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

Since 2018, the UK has allowed specialist doctors to prescribe medical cannabis under regulated conditions. This shift includes clear guidelines from NICE to ensure evidence-led use in specific cases