Trained dogs can smell Parkinson’s disease before symptoms appear, the study finds

The man’s best friend could provide more than company.

In a new study by the University of Bristol, it was discovered that dogs detected Parkinson’s disease long before the symptoms appear.

Previous investigations have shown that people with Parkinson have greater amounts of sebum, an oily and hill substance with a distinctively musk smell, in the skin.

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In the new study, two dogs that had been trained in more than 200 samples received skin swabs of 130 people with Parkinson and 175 people without the disease, according to a press release.

The dogs, a Golden Retriever called Bumper and a black labrador named Peanut, were rewarded for positively identifying Parkinson’s samples and ignoring the negatives.

The dogs showed sensitivity of up to 80%, which means that they identified the people who had the disease 80% of the time.

They achieved a specificity of up to 98%, which is how good they were to rule out people who did not have Parkinson.

“Dogs … showed that there is an olfactory firm different from patients with the disease.”

The University of Bristol collaborated with medical detection dogs and the University of Manchester in the study, which was published in the Journal of Parkinson’s Enfiry on July 15.

While there is no early detection available for Parkinson, some early warning signals may appear years or even decades before diagnosis, according to experts.

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“Identifying the diagnostic biomarkers of the EP, particularly those that can predict development or help diagnose diseases before, is the subject of a lot of continuous research,” said main study author Nicola Rooney, associate professor at the Bristol Veterinary School of the University of Bristol, in the statement.

“The dogs in this study achieved high sensitivity and specificity and showed that there is an olfactory firm other than patients with the disease,” he continued.

“The sensitivity levels of 70% and 80% are well above chance, and I think that dogs could help us develop a fast, not invasive and profitable method to identify patients with Parkinson’s disease.”

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Claire’s guest, scientific director of medical detection dogs in the United Kingdom, reiterated that the study confirmed that dogs can “very precisely” detect diseases.

“The timely diagnosis is key, since the subsequent treatment could slow down the progression of the disease and reduce the intensity of the symptoms,” he said in release.

Perdita Barran, mass spectrometry professor at Manchester, said the study “adds to the growing body of evidence that shows that simple and non -invasive skin swabs can be used to diagnose Parkinson’s disease, offering a faster and more accessible method for early detection.”

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Looking towards the future, the team plans to conduct longer -term studies to evaluate the ability of dogs to detect those of Parkinson before diagnosis.

The Michael J. News News and the United Kingdom in Parkinson provided funds for this study.