There's a problem with "synthetic cannabis", and not just the one you think. It's the name.

We're in the midst of a wave of news stories that link synthetic drugs to serious harm, through deadly road accidents and accidental overdoses (which have killed more than 80 people in two years). It's a public health crisis and it's ruining lives.

It's also not cannabis. Yet the news stories almost invariably refer to "synthetic cannabis" and often, simply "cannabis" further into the text. There was a time when this kind of confusion might have seemed harmless enough. After all, when these