He said: "Snack foods - unhealthy stuff on a red plate - you end up eating a little bit less because it's that red colour on a plate where it seems to trigger some sort of danger or avoidance signal.

Social media users have banded together to crack the code of one of the UK's greatest mysteries... What does the Wetherspoons red plate mean? Now, when you pop into a local 'Spoons, you know what to ...