UK EV drivers using medical cannabis should stay aware of the 'in charge' rules...
https://www.pure-bookmark.win/uk-ev-drivers-using-medical-cannabis-should-be-aware-that-in-charge-rules-1
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