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Covid infections are causing IQ drops and years of brain aging, studies suggest
Researchers are trying to understand the profound effects of COVID-19 on the brain, looking at how it disrupts the blood-brain barrier, how it affects brain volume, and showing that even a mild case of COVID can lead to the equivalent of seven years of brain aging.
One of the most puzzling symptoms in those early days was something called "brain fog" — cognitive issues like confusion, forgetfulness, and trouble focusing. And while other symptoms have changed as the virus mutated, brain fog is still a common complaint of COVID sufferers not only during the initial illness, but extending for months or even years afterwards. A woman rides on an exercise bike to strengthen muscle tone for fatigue related to long COVID at the Department of Rehabilitative Cardiology in Genoa, Italy.
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