Medical cannabis doesn't grant immunity on the road. You remain subject to the...
https://www.bookmarkmaster.win/if-you-drive-an-ev-while-using-prescribed-medical-cannabis-understanding-the
Medical cannabis doesn't grant immunity on the road. You remain subject to the 2mcg/L THC limit and DVLA fitness standards. While a medical defence exists, legality doesn’t replace responsibility. Being legal isn't the same as being unimpaired.