REVEALED: The disgusting secret lurking in your office tea mug

Tea. The aromatic, caffeinated, good stuff. So ingrained into British office culture, that in some offices ‘a cuppa’ is a currency in itself. ‘Getting the teas in’ helps colleagues bond and, crucially, relax.

Whilst those who offer to get a round for their colleagues are held in high regard, those who don’t – or, even worse, those who don’t drink it – can be subject to suspicion and disdain.