A study has shown dogs can detect stress hormones in sweat and breath samples and differentiate those from baseline samples. The research highlights that dogs do not need visual or audio cues to pick up on human stress.
The findings show that we, as humans, produce different smells through our sweat and breath when we are stressed and dogs can tell this apart from our smell when relaxed – even if it is someone they do not know.” – Clara Wilson
Source: The Week, September 29, 2022. Link. “The study helps to shed more light on the human-dog relationship and adds to our understanding of how dogs may interpret and interact with human psychological states.”
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