Driving on medical cannabis requires more than just a valid prescription. While...

https://telegra.ph/Can-I-be-charged-if-I-am-legally-prescribed-but-the-officer-thinks-I-look-impaired-04-23

Driving on medical cannabis requires more than just a valid prescription. While a medical defence exists for those under the 2mcg/L THC limit, you must strictly adhere to DVLA fitness-to-drive standards