UK EV drivers using medical cannabis should be aware of the ‘in charge’ rules...
https://cristiansuniquejournals.cloudhinter.com/posts/can-i-take-my-medical-cannabis-while-my-ev-is-charging-in-the-uk
UK EV drivers using medical cannabis should be aware of the ‘in charge’ rules that apply when parked and charging. Even with a prescription, the legal THC limit of 2 micrograms per litre of blood applies