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

https://www.first-bookmarkings.win/ev-drivers-using-medical-cannabis-have-a-legal-defence-against-the-2mcg-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