Brain Imaging Study Challenges Inflammation Theory of Long COVID
What the Research Found
A recent brain imaging study has challenged a leading theory about the underlying cause of long COVID. Researchers examined patients suffering from prolonged symptoms after COVID-19 infection and found no evidence of widespread brain inflammation.
Instead, the study revealed that the most severe long COVID symptoms were associated with increased brain activity in regions involved in mood and emotion regulation. This suggests the neurological effects of long COVID may be driven by different mechanisms than initially assumed.
Implications
The findings could reshape how researchers approach treatments for long COVID, shifting focus from anti-inflammatory approaches toward understanding how the brain's emotional and mood regulation centers become overactive during prolonged symptoms.