The brains of three species of dolphin found stranded along the Scottish coast have shown the hallmarks of Alzheimer’s disease, according to new research, providing greater insight into the disease in species other than humans.
The findings may also provide a possible answer to unexplained strandings of dolphins along the coast, researchers said. Alzheimer’s disease is a common neurodegenerative disorder that mostly affects older humans, with symptoms such as memory loss, forgetfulness and confusion.
Tara Spires-Jones, another study coauthor, said in a statement this week that researchers “were fascinated to see brain changes in aged dolphins similar to those in human and Alzheimer’s disease.” “Whether these pathological changes contribute to these animals stranding is an interesting and important question for future work,” said Spires-Jones, the personal chair of neurodegeneration at the University of Edinburgh’s Deanery of Biomedical Sciences.
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