UK electric vehicle drivers using medical cannabis should be aware of 'in...

https://ameliasnicedigest.swiftnestly.com/posts/can-mixing-prescribed-cannabis-and-alcohol-make-things-worse-legally

UK electric vehicle drivers using medical cannabis should be aware of 'in charge' rules, which mean you can be tested even when parked and charging. The legal THC limit is just 2 micrograms per litre of blood