Medical cannabis is legal, but driving remains a minefield. With a 2μg/L THC...

https://www.bust-bookmark.win/legal-cannabis-doesn-t-mean-you-re-exempt-from-the-2mcg-l-limit-a-medical

Medical cannabis is legal, but driving remains a minefield. With a 2μg/L THC limit, a prescription offers a potential medical defence, yet it doesn’t bypass DVLA fitness-to-drive requirements