UK EV drivers using medical cannabis should be aware of the “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 be aware of the “in charge” rules that apply even when parked and charging. The law sets a strict 2 micrograms per litre THC limit for driving