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

https://becketteulj000.cavandoragh.org/what-does-being-in-charge-of-a-vehicle-actually-mean-in-uk-law

UK EV drivers using medical cannabis should be aware that the 'in charge' rules apply even when parked and charging. The legal THC limit of 2 micrograms per litre means a roadside swab can lead to a blood test