‘Brain fog’ is one of Covid-19’s most daunting symptoms. A new study measures its impact
STAT
FEBRUARY 28, 2024
Of all the lingering symptoms of long Covid , difficulty focusing and thinking, known as brain fog , may be the most frightening and baffling. A new study published Wednesday in the New England Journal of Medicine, which looks at how much cognition is impaired in the months after a coronavirus infection, shows that Covid-19’s impact can be measured in the equivalent of IQ points.
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