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Over the past year, health experts and researchers have established thatCOVID-19 [Feminine can affect the neurological system. However, it is always difficult to know how the infection is wreaking havoc on the brain, which causes curious symptoms, especially delirium, fatigue, headaches and loss of sense of smell and taste and taste. even cause blows.

Now a new study claims to be closer to creating a relationship between the virus and the brain, noting that, even if it does not damage it, it is not the result of a direct viral attack. Read on and to ensure your health and health of others, do not miss these Without signs that you have already had coronavirus.

Covid causes an inflammatory response that can affect the brain, study shows

The study, led by theNational health institutesand published in theNew England Journal of Medicine, found that, while those who died as a result of the virus sometimes had a thinning and blood vessels suffering from brains, there was no sign of tissue infection, suggesting that the damage does not result from a direct viral infection.

"We found that the brains of patients who contract a SARS-COV-2 infection may be sensitive to damage caused by microvascular blood vessels. Our results suggest that this can be caused by the inflammatory response of the body to the virus", Avindra Nath, the principal author on the study stated in a press release with a NIH courtesy. "We hope that these results will help doctors understand all the spectrum of patient problems may suffer so that we can find better treatments."

The researchers analyzed cerebral tissue samples of 19 patients from five to 73 years, all died of one hour to two months after contracted the virus. Many of them had more than one risk factor, including obesity, diabetes and other cardiovascular problems. They used a high-power magnetic resonance imaging scanner (MRI) up to ten times more sensitive than the middle MRI scanner, observing several light and dark spots, which indicate inflammation and bleeding, in the Two regions of the brain.

"We were completely surprised. Originally, we were expecting damage caused by a lack of oxygen. Instead, we have seen multifocal areas of damage generally associated with blows and neuronflammatory. , said Dr. Nath.

After a subsequent investigation, they found the thinning of the blood vessels fleeing protein in the brain, which triggered an immune response. In addition, they noted that dark spots had coagulated and leaks of blood vessels without immune response. However, no evidence of the virus has been found in tissue samples.

"So far, our results suggest that the damage we have seen can not have been caused by the SARS-Cov-2 virus directly infecting the brain," said Dr. Nath. "In the future, we plan to study how Covid-19 is harmful to the blood vessels of the brain and that produces some of the short and long-term symptoms we see in patients."

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Symptoms to pay attention

"Nationwide, a small number of people who found themselves from COVID-19 report neurological concerns such as headaches, dizziness, persistent loss of smell or taste, muscle weakness, nerve damage and difficulty to think or focus - sometimes called "Covident Fog" or 'Brain Bog,' "ReportsDanbury Hospital. The delirium has been reported too. "There is still a lot to learn about Covid-19 because it is a new virus, including long-lasting neurological complications. What we know is that it's important to talk with your health clinician if you have health problems after the virus recovery. "

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How to survive this pandemic

As for yourself, follow the foundations of public health and help put an end to this thrust, no matter where you live: facial mask, the social distance, avoiding big crowds, do not go inside with people you do not go with (especially in the bars), practice good hygiene of the hand, vaccinate yourself when it is Available for you and protect your life and life of your life. others, do not visit any of these 35 places you are most likely to catch Covid .