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Coronavirus: Researchers make breakthrough in treatment of Covid ‘brain fog'
READ MORE: Supplements: Four supplements linked to 'risky' heart palpitationsDr Bruce Brew of the University of South Wales said: "It validates that there is an organic basis for the cognitive impairment and gets us that target - in the past there's been some controversy about long Covid and its related cognitive impairment. "It gives us an explanation as to what the basis of the cognitive impairment is and it gives us a target. "Dr Brew added: "These things [trialling cures] are always frustratingly slow, but having a target, hopefully we'll be able to fast track this with the support of other researchers around the world.