"Benzoylecgonine doesn’t cause impairment. At all. Read that again. Unlike cocaine, cannabis, heroin or MDMA which does cause impairment in some way, BZE does not"

"Most people still think "drug driving" means cannabis or cocaine. They don't realise that prescription medication, taken legally, even with a GP’s advice, can put them off the road"

"Remember those labels that say, “may cause drowsiness”?  You should pay attention to those. They’re there for a reason. If the medication that you take can cause you to become drowsy then you shouldn’t drive

"I have never seen someone in possession of a [medical exemption for drugs], and even if they did have one, it wouldn't protect them if they were impaired while driving.