Prescribed cannabis is rising, but road rules are strict. The 2µg/L THC limit...

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

Prescribed cannabis is rising, but road rules are strict. The 2µg/L THC limit applies regardless of your prescription. A ‘medical defence’ exists, but isn't immunity if impaired. Keep DVLA records current