Prescribed medical cannabis is legal, but UK motoring laws are unforgiving....

https://www.web-bookmarks.win/cannabis-is-legal-for-some-but-the-2mcg-l-thc-limit-is-non-negotiable-a

Prescribed medical cannabis is legal, but UK motoring laws are unforgiving. While a medical defence exists for the 2mcg/L THC limit, it isn’t a free pass