Damage to brain cells and cognitive dysfunction can occur even with “mild” cases of Covid-19, according to a new study.
which showed that a common chemotherapy drug called methotrexate could directly impact the microglia and result in a cascade of negative effects on the brain.
When people began reporting cognitive long Covid symptoms, Monje immediately saw similarities with what she had seen in patients with cancer. This may not sound positive, but for those who are experiencing long-term neurological symptoms after mild Covid-19 infection, there may be a silver lining. It is also important to note that the study was done with the original SARS-CoV-2 virus, so newer variants may affect the brain differently. Monje also stresses that more severe Covid-19 can result in significant and sometimes irreversible brain damage via a number of additional routes which the study did not look at, such as stroke. The study also cannot predict what might happen in the future as a result of Covid-19 infection.
The new study is not the only one to have focused on the neurological side effects of the SARS-CoV2 coronavirus, with alisting an alarming collection of neurological symptoms associated with long Covid. But, is it normal for respiratory viruses to cause these cognitive problems? And are we just noticing it with Covid-19 due to the sheer number of people infected over a short timescale?
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