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BREAKING
Several wounded in an Israeli bombardment of a tent in al-Mawasi, south of Khan Younis in the Gaza Strip.
Israeli media: Three wounded, three killed in an ongoing operation in the Gaza Strip.
Al Mayadeen's correspondent in southern Lebanon: Israeli artillery shelling targets the outskirts of the town of Shebaa
Al-Qassam Brigades: The targeting took place at the intersection of 'Street 5' with the western line north of Khan Younis
Al-Qassam Brigades: A NIMR armored personnel carrier carrying an Israeli soldier was targeted with an Al-Yassin missile north of Khan Younis
Israeli media: At least two soldiers killed by anti-tank missile fired at Israeli army forces in the Gaza Strip
Local Syrian sources: Mortar shells fell on more than nine villages in the Sweida countryside
Local Syrian sources: Dozens of dead and wounded have arrived at Sweida hospitals as a result of ongoing clashes at several locations in the western Sweida countryside
Local sources: Civilians, including children and women, were injured in the al-Maqous neighborhood of Sweida, in Syria, as a result of ongoing clashes
Israeli media outlet: Security incident reported in the Gaza Strip

Can COVID-19 damage the brain?

  • By Al Mayadeen Net
  • Source: Agencies
  • 13 Mar 2022 16:06
  • 1 Shares
2 Min Read

Many germs are often prevented from entering the brain by the blood-brain barrier, but certain pathogens are able to breach it.

  • x
  • Brain changes seen after mild COVID infection.
    Brain changes were seen after mild COVID infection.

New global research is being driven by the mystery of how SARS-CoV-2 may cause brain fog or other neurological symptoms in some people.

In the first two years of the pandemic, approximately 79 million US nationals became infected with COVID-19. While the majority of people survived, many are dealing with long-term symptoms, also known as long Covid, that affect the brain and other body systems.

The NIH's Avindra Nath and Yale's Serena Spudich wrote in a January Science perspective that there is an "urgent need" to research the disorders and develop therapies.

It is worth mentioning that many germs are often prevented from entering the brain by the blood-brain barrier, but certain pathogens are able to breach it.

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It's unclear whether SARS-CoV-2 can directly cross that barrier, though recent research suggests it can.

Autopsies have also revealed that SARS-CoV-2 infections in cells near the brain can inflame brain-barrier cells and that this inflammation can be relayed into neurons and glial cells in the brain.

A study of 785 people - aged 51 to 81 - published this week in Nature found that COVID can shrink the size of the brain, with some people showing as much as a decade of normal aging months after infection.

However, there is some concern that it may hasten or trigger the onset of Alzheimer's or Parkinson's disease.

Meanwhile, the NIH and others are investigating whether the changes are reversible, whether they affect younger as well as older people, whether changes in the brain are directly related to the brain fog people experience, and what the best therapeutic options will be.

Know more: Global poverty amid the COVID-19 pandemic

  • COVID-19
  • brain fog
  • blood-brain barrier
  • pathogens

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