Is it true that … dock leaves cure nettle stings?

It’s a time-honoured treatment and rubbing certainly helps, but other leaves could be just as good If you’ve ever brushed against a stinging nettle, chances are someone told you to find a dock leaf.

The wide green leaves of dock plants seem to grow conveniently nearby, and rubbing one on a sting is a time-honoured remedy. But does it actually work? Probably not in any way that’s unique to the plant, says John…