COVID-19 can elicit a extreme immune response that triggers a storm of proteins referred to as cytokines, which amplify irritation all through the physique. Lengthy-term irritation can promote cognitive decline and neurodegenerative ailments.
As a result of COVID-19 impacts respiration, it will possibly starve the mind of oxygen, as seen in post-mortem knowledge from Finland. COVID-19 additionally will increase the chance for blood clots for as much as six months, which might trigger strokes that deprive the mind tissue of oxygen.
Some scientists even concern that COVID-19 survivors could possibly be at increased threat for Alzheimer’s illness, based mostly on proof for a protein referred to as beta-amyloid within the brains of youthful sufferers who died of COVID-19.
A number of research additionally present proof of the SARS-CoV-2 virus invading the mind. A research by the US Nationwide Institutes of Well being illustrates how SARS-CoV-2 can unfold effectively past the lungs and the respiratory tract. This means that the lack of the immune system to clear the virus from the physique could possibly be a possible contributor to lengthy COVID signs, together with mind fog.
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