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

https://online-wiki.win/index.php/What%E2%80%99s_the_Simplest_%E2%80%98Driving_Pack%E2%80%99_for_Medical_Cannabis_Patients%3F

UK EV drivers using medical cannabis should be aware that ‘in charge’ rules apply while parked and charging. The legal THC limit is just 2 micrograms per litre of blood, and even with a prescription, a roadside swab can lead to a station blood test