In 2018, the UK updated the Misuse of Drugs Regulations 2001 to allow...

https://edwinxrml916.lucialpiazzale.com/why-are-nhs-medical-cannabis-prescriptions-so-rare

In 2018, the UK updated the Misuse of Drugs Regulations 2001 to allow specialist doctors to prescribe cannabis-based medicines like Sativex and Epidyolex