UK EV drivers using medical cannabis should know the ‘in charge’ rules apply...
https://elliottrsox506.raidersfanteamshop.com/can-a-positive-roadside-swab-be-wrong-if-i-used-legal-cbpm
UK EV drivers using medical cannabis should know the ‘in charge’ rules apply when parked and charging. The 2 micrograms per litre THC limit means even with a prescription, you could test positive