This article explains how medical cannabis is sometimes prescribed for chronic...

https://wiki-tonic.win/index.php/What_Is_the_Simplest_Explanation_of_Medical_Cannabis_for_Someone_with_a_Chronic_Condition%3F

This article explains how medical cannabis is sometimes prescribed for chronic conditions in the UK, usually through a specialist. NHS prescriptions are uncommon, and the type of cannabis product is chosen by the doctor based on individual needs