UK EV drivers using medical cannabis should stay aware of the 'in charge' rules...

https://speedy-wiki.win/index.php/Can_a_GP_Prescribe_Medical_Cannabis_in_the_UK_or_Does_It_Have_to_Be_a_Specialist%3F

UK EV drivers using medical cannabis should stay aware of the 'in charge' rules affecting those parked and charging. The legal THC limit is 2 micrograms per litre of blood, a low threshold that can be easily exceeded