Prescribed medical cannabis doesn’t grant immunity on the road. While a...

https://www.nav-bookmarks.win/prescribed-medical-cannabis-and-driving-an-ev-remember-legality-isn-t-a

Prescribed medical cannabis doesn’t grant immunity on the road. While a statutory medical defence exists for the 2μg/L THC limit, you must still notify the DVLA and ensure your fitness to drive isn't impaired