This article explains how medical cannabis can be prescribed for certain...

https://johnathanrsnj030.lucialpiazzale.com/why-do-doctors-say-not-to-self-experiment-with-cannabis-for-pain

This article explains how medical cannabis can be prescribed for certain chronic conditions in the UK, but it’s only available through specialist doctors. NHS prescriptions are uncommon, and the choice of products depends on the clinician's assessment