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Looking for more reasons to exercise daily? Several works have shown the relationship between exercise and the reduction of anxiety; other than that, it really looks better. Other research suggests that physical activity helps prevent cognitive decline badociated with dementia, Parkinson's disease and depression, in part because pumping blood brings more oxygen. , hormones and nutrients to your brain, which leads to your muscles, your lungs and your heart, to become stronger and more effective.
The scientific journal Nature Medicine presents a novelty in which researchers discovered that people with Alzheimer's disease had lower levels of the irisin hormone, which is released during exercise. To deepen the link between this hormone and Alzheimer's disease, Fernanda de Felice, of the Federal University of Rio de Janeiro, as well as her colleagues Ottavio Arancio and Sergio Ferreira, examined the brain in good health and discovered that This type of dementia had lower hormone levels than healthy people.
The release of this hormone during physical activity could explain the positive effects of exercise on cognitive performance and, according to a study published this month, at least in the mouse, it could protect the brain against Alzheimer's disease.
In Colombia, it is estimated that about 400,000 people suffer from the disease. If no effective treatment is found, by 2050, the number of cases will have tripled, according to the World Health Organization.
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In tests on mice, the team induced learning and memory deficits by eliminating irisin and could reverse the effects by restoring the hormone. When the irisin signal was blocked in mice, the brain benefits of physical exercise were lost.
The researchers showed that increasing irisin, as well as its precursor protein, the FNDC5, reduced the memory and learning deficit of animals during experimentation.
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De Felice told the Spanish ABC newspaper that once the animal testing phase is over, they will check whether hormone supplementation is effective in patients with different stages of the disease.
For his part, James Pickett, of the Alzheimer's Society charity, told New Scientist magazine: "Although this study was only done on mice, it adds to the There is growing evidence of the relationship between lifestyle factors, such as physical fitness and dementia. "
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