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

https://bizzmarkblog.com/what-if-i-am-charging-at-home-on-my-driveway-does-in-charge-apply/

UK EV drivers using medical cannabis should be aware that the ‘in charge’ rules mean you’re treated as driving while charging. With a 2 micrograms per litre THC limit, even those with prescriptions can face roadside swabs