Coronavirus can significantly impact brain function, causing mental decline equivalent to the brain aging 10 years, according to an alarming new study. A study of more than 84,000 people in the UK found that the virus left even those deemed recovered with “chronic cognitive consequences” that it compared to dropping 8.5 IQ points. “People who had recovered, including those no longer reporting symptoms, exhibited significant cognitive deficits,” the study published on MedRxiv said.