UK EV drivers using medical cannabis should know that the ‘in charge’ rules...

https://www.pfdbookmark.win/uk-ev-drivers-with-a-medical-cannabis-prescription-still-need-to-be-careful

UK EV drivers using medical cannabis should know that the ‘in charge’ rules mean you can face risks even when parked and charging. The two micrograms per litre THC limit applies regardless of prescription