Medical cannabis patients often rely on the 2µg/L THC threshold and the...

https://www.fastbookmarks.win/medical-cannabis-is-legal-but-driving-remains-a-minefield-with-a-2mg-l-thc

Medical cannabis patients often rely on the 2µg/L THC threshold and the ‘medical defence’ to stay legal behind the wheel. However, legality isn’t a blanket safety net. You must still declare your prescription to the DVLA regarding fitness to drive