UK EV drivers using medical cannabis should be aware that the 'in charge' laws...

https://www.bookmark-jungle.win/uk-ev-drivers-using-prescribed-medical-cannabis-should-be-aware-of-in-charge

UK EV drivers using medical cannabis should be aware that the 'in charge' laws apply even when parked and charging. With a strict 2 micrograms per litre THC limit, a positive roadside swab can trigger a blood test, regardless of a prescription