Celebrity Traitors: why we sweat when we’re nervous – or lying

By Adam Taylor, Professor of Anatomy, Lancaster University

This article contains spoilers for the current season of Celebrity Traitors.

When TV comedian Alan Carr was selected to be a traitor, his joy quickly turned to anxiety. He proclaimed he had a “sweating problem” – and that he wasn’t able to keep a secret. A less than ideal combination for him, but for viewers it’s TV gold.

Anyone who has ever been caught in a lie or found themselves in tense circumstances might have related to Carr. But why is it that so many of us sweat when we’re in stressful…

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