UK electric vehicle drivers using medical cannabis should know that despite...

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

UK electric vehicle drivers using medical cannabis should know that despite having a prescription, the strict 'in charge' rules still apply. The legal THC limit is just 2 micrograms per litre of blood