Medical cannabis for drivers is complex. A medical defence covers the 2mcg/L...

https://www.gamespot.com/profile/blakegibson00/

Medical cannabis for drivers is complex. A medical defence covers the 2mcg/L THC limit, but DVLA fitness-to-drive rules still apply. Legality doesn't replace responsibility. Being 'legal' isn't a safety net; you're always accountable for your driving.