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Research suggests dogs can detect stress in humans | News

03 Oct 2022, 17:18 ISTSource: ANI

According to a new study conducted by researchers at Queen’s University in Belfast, dogs have the ability to detect stress in humans through sweat and breath. The research results have been published in PLOS ONE. The research was conducted by Clara Wilson (PhD student) and Kerry Campbell (MSc student) at the School of Psychology. They were supervised by Catherine Reeve, with assistance in collecting Zachary Petzel’s human physiological measures. The study involved four dogs from Belfast – Treo, Fingal, Soot and Winnie – and 36 people. Researchers collected samples of participants’ sweat and breath before and after they did a difficult math problem. They self-reported their stress levels before and after the task, and researchers only used samples where the person’s blood pressure and heart rate had increased. The dogs learned how to search a scent set and point researchers to the correct sample. The stress and relaxed samples were then introduced, but at this stage, the researchers weren’t sure if there was a scent difference that dogs could detect.

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