Long Covid smell loss linked to changes in the brain
People living with long Covid who suffer from loss of smell show different patterns of activity in certain regions of the brain, a new study led by UCL researchers has found.
The research used MRI scanning to compare the brain activity of people with long Covid who lost their sense of smell, those whose smell had returned to normal after Covid infection, and people who had never tested positive for Covid-19.
Published in eClinicalMedicine, the observational study found that the people with long Covid smell loss had reduced brain activity and impaired communication between two parts of the brain which process ...











