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Researchers at the UFRJ (Federal University of Rio de Janeiro) concluded that the hormone irisine, produced during regular physical activity, could reduce the risk of developing Alzheimer's. The neurodegenerative disease affects 35 million people worldwide and 1 million in Brazil alone, according to figures from the World Health Organization. The concern about memory loss is even greater among the elderly .
Previously, it was known that irisina was active in burning fat. Tests on mice have shown that the hormone is also produced by the brain and that an exercise routine can help even to recover already lost memories.
In patients with Alzheimer's disease, micro-protein molecules agglutinate in the bonds between a neuron. and another, making communication difficult between them. The study indicates that the presence of irisin in the body reduces the action of these molecules, thus helping to restore this communication.
"We saw that patients with Alzheimer's disease had a very low level of irisin in the brain, so we put the mice in a swimming routine five times a week for five We have noticed that they have recovered their memory, "explains the neuroscientist and professor at the Institute of Biochemistry of the UFRJ Mychael Vinicius Lourenço.
The study was published in the journal Nature Medicine. The next step is to test humans and develop a drug that prevents and cures Alzheimer's disease .
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