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

https://sierra-wiki.win/index.php/What_is_the_Point_of_a_Specialist_Gatekeeper_for_Cannabis_Prescriptions%3F

This article explains how medical cannabis can be prescribed for certain long-term health conditions in the UK. Access is through a specialist doctor, as NHS prescriptions are uncommon. Your clinician decides the right product based on your needs