UK EV drivers using medical cannabis should stay aware of ‘in charge’ rules...
https://www.oscarbookmarks.win/uk-ev-drivers-with-a-medical-cannabis-prescription-should-be-aware-of-the-in
UK EV drivers using medical cannabis should stay aware of ‘in charge’ rules that apply while parked and charging. The legal THC limit of 2 micrograms per litre means even those with a prescription can test over the limit