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Study Finds No Widespread Brain Inflammation in Long COVID Patients

Thursday, July 16, 2026 · 1 sources

A new brain imaging study found no evidence of widespread brain inflammation in patients with long COVID symptoms. The study did find increased brain activity in regions involved in mood and emotion in those with severe symptoms.

Researchers conducted a brain imaging study on patients suffering from prolonged symptoms after COVID-19 infection. The study's results showed no evidence of widespread brain inflammation in these patients. Instead, the most severe long COVID symptoms were associated with increased brain activity in regions involved in mood and emotion. This suggests that the underlying causes of long COVID may be more complex than initially thought. The study's findings could have implications for the treatment of long COVID symptoms. Further research is needed to fully understand the relationship between brain activity and long COVID symptoms.

The 50+ takeaway: Long COVID symptoms may affect mood and emotion.

Go Deeper

What were researchers looking for in the brain imaging study?

Researchers were looking for evidence of widespread brain inflammation in patients with long COVID symptoms. They used brain imaging to examine the brains of these patients and compare the results to those of healthy individuals.

What did the study find instead of brain inflammation?

The study found increased brain activity in regions involved in mood and emotion in patients with severe long COVID symptoms. This suggests that the symptoms may be related to changes in brain activity rather than inflammation.

What are the implications of the study's findings?

The study's findings could have implications for the treatment of long COVID symptoms. If the symptoms are related to changes in brain activity, treatment may need to focus on addressing these changes rather than reducing inflammation.

Why is it important to understand the underlying causes of long COVID?

Understanding the underlying causes of long COVID is important for developing effective treatments. If the causes are not well understood, treatment may not be effective, and patients may continue to suffer from symptoms.

What's the next step for researchers studying long COVID?

Further research is needed to fully understand the relationship between brain activity and long COVID symptoms. Researchers may need to conduct additional studies to confirm the findings and explore the underlying mechanisms driving the changes in brain activity.