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

https://juliet-wiki.win/index.php/Can_I_Use_a_Different_Device_Than_Prescribed_for_Vapourising_Flower%3F

UK EV drivers using medical cannabis should be aware of 'in charge' rules that apply even when parked and charging. The legal THC limit is strictly 2 micrograms per litre of blood