UK EV drivers using medical cannabis should be aware of 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 of the ‘in charge’ rules, which include a strict 2 micrograms per litre THC limit while charging. Even with a valid prescription, a roadside swab can lead to a blood test at the station