There's now scientific evidence shedding more light on one of Barkley's impressive skills in a long list of endearing traits: the ability to smell when you're stressed.
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Dogs can smell when humans are stressed, study suggests
There's now scientific evidence shedding more light on one of Barkley's impressive skills in a long list of endearing traits: the ability to smell when you're stressed.
Researchers at Queen's University Belfast collected samples of human breath and sweat from volunteers working on a math problem. The pups could detect stressed-out samples with more than 90% accuracy.
While earlier research found that canines may be able to smell when a person is happy or fearful, this latest study measured human participants' stress levels to increase the accuracy of the results.
Being under stress can cause all kinds of physiological shifts in the human body, from heart rates to the chemicals released into the bloodstream – and it turns out our canine pals can sniff out those stress-related changes, even in strangers.
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Dogs can smell when humans are stressed, study suggests | Since Then
