Medical cannabis users have a defence for the 2mcg/L THC limit, yet you must...

https://sergionyxy407.tearosediner.net/driving-an-ev-on-unfamiliar-roads-while-on-medication-the-silent-trap

Medical cannabis users have a defence for the 2mcg/L THC limit, yet you must still meet DVLA fitness-to-drive rules. Legality isn't a substitute for responsibility; being prescribed doesn't exempt you from impairment laws