Prescribed cannabis is legal, but road safety rules still apply. You must stay...

https://city-wiki.win/index.php/Adaptive_Cruise_Control_Made_Me_Complacent_%E2%80%93_Is_That_a_Problem_with_Meds%3F

Prescribed cannabis is legal, but road safety rules still apply. You must stay under the 2mcg/L THC limit and meet DVLA fitness standards. A medical defence exists, but it’s not a safety net