Since 2018, specialist doctors can legally prescribe cannabis in the UK....

https://www.save-bookmarks.win/since-november-2018-medical-cannabis-has-been-legal-in-the-uk-when-prescribed

Since 2018, specialist doctors can legally prescribe cannabis in the UK. Patients use digital onboarding and telehealth consults to access care. After a clinical review, e-prescriptions are sent for tracked home delivery via private pharmacies.