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

https://page-wiki.win/index.php/What_is_the_THC_driving_limit_in_the_UK_(and_why_is_it_so_low)%3F

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.