UK EV drivers using medical cannabis should know the ‘in charge’ rules mean...

https://evpowered.co.uk/feature/electric-vehicles-and-medical-cannabis-what-uk-drivers-need-to-know-about-the-law/

UK EV drivers using medical cannabis should know the ‘in charge’ rules mean having any THC in your blood while charging can be risky. The legal limit is just 2 micrograms per litre