Since 2018, medical cannabis in the UK has been available as a regulated...

https://bizzmarkblog.com/what-does-it-mean-when-a-medicine-is-rescheduled-in-the-uk/

Since 2018, medical cannabis in the UK has been available as a regulated medicine prescribed by specialists. The National Institute for Health and Care Excellence (NICE) offers evidence-based guidance to support safe prescribing