In 2018, the UK amended the Misuse of Drugs Regulations 2001—not the Misuse of...

https://victoriasnewthoughts.scriblorax.com/posts/why-do-some-articles-say-medical-cannabis-is-legalised-in-the-uk

In 2018, the UK amended the Misuse of Drugs Regulations 2001—not the Misuse of Drugs Act 1971—to allow cannabis-based products for medicinal use