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

https://ameliasnicedigest.swiftnestly.com/posts/what-s-the-difference-between-section-5a-and-section-4-offences

UK EV drivers using medical cannabis should be aware that 'in charge' rules apply, meaning even while parked and charging, a 2 micrograms per litre THC limit is enforced