UK EV drivers using medical cannabis should stay aware of ‘in charge’ rules...
https://evpowered.co.uk/feature/electric-vehicles-and-medical-cannabis-what-uk-drivers-need-to-know-about-the-law/
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