Driving with medical cannabis means navigating the 2mcg/L THC limit. While a...

https://evpowered.co.uk/feature/medical-cannabis-and-uk-driving-laws-what-ev-owners-must-know/

Driving with medical cannabis means navigating the 2mcg/L THC limit. While a medical defence exists, it doesn’t override DVLA fitness requirements. Being legally prescribed doesn't replace the duty to drive safely