Can you smell fear?

26 November 2013

Question

Steven Cole got in touch over Facebook as well. He said, “Can you actually smell danger or fear? You hear about animals being able to smell your fear. Is that true?

Answer

Darren - So, animals certainly can smell fear and there are such things as kyromones which are like pheromones but work between species. So, some predator odours for example act as kyromones so that their prey are innately afraid of them. Whether humans could smell fear, I don't know. However, we certainly do sweat and sort of more acrid smelling sweat when we're fearful and perhaps that's what people mean when they say they can smell fear.

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