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‘Brain fog’ of long Covid comparable to ageing 10 years, study finds
New research suggests that brain fog, a symptom associated with long Covid, may last for years. A study of 3,000 people found that patients who experienced Covid-19 symptoms for more than 12 weeks had cognitive impacts on their memory, attention, reasoning, and processing speed that could still be detected nearly two years after the initial infection.
The Office for National Statistics estimated that 1.9 million people in the UK, or 2.9% of the population, self-reported having long Covid symptoms for more than four weeks after being infected.