UK EV drivers using medical cannabis should be aware of the ‘in charge’ rules...

https://donovansmasterchat.novacrestiq.com/posts/what-should-i-say-if-i-get-stopped-and-i-am-a-prescribed-patient

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