Study Says Covid-19 Affects Brain Years After Infection

According to a large study conducted recently, Covid-19 has left a mounting burden of chronic illness left in the pandemic's wake. Covid-19 survivors apparently remain at higher risk of psychotic disorders, dementia, and similar conditions for at least two years.

Other than respiratory infections, neurological illnesses have been an increasingly worrying side-effect post-covid.

According to researchers at the University of Oxford, while anxiety and depression occur quite frequently after Covid, the risk typically subsides within two months.

In contrast, the cognitive deficits known colloquially as "brain fog," consisting of illnesses like epilepsy, seizures, and other longer-term mental and brain health disorders remained elevated 24 months later, according to a study published Wednesday.

Over a million patients participated in the study, with the results adding to evidence of the virus's potential to cause great damage to the central nervous system and heighten the global hurdle of dementia.

The likelihood of most neurological and psychiatric diagnoses after Covid was lower in children than in adults. Unlike adults, they weren't at an increased risk of mood or anxiety disorders, and any cognitive deficit they experienced tended to be transient.

Another factor involved is previous vaccinations, which can reduce the risks of most neurological or psychiatric outcomes. The rates of these problems were similar after the emergence of the omicron and delta variants, suggesting that coronavirus infections may continue to spur neuropsychiatric illnesses even when they cause otherwise less severe diseases.

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