MeSH tree: C01.748.610.763.500.500
A new brain imaging study has found no evidence of widespread brain inflammation in patients suffering from prolonged symptoms after COVID-19 infection. Instead, the most severe long COVID symptoms were associated with increased ...
May 22, 2026
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Thousands of Americans develop chronic persistent symptoms—such as fatigue, cognitive difficulties ("brain fog"), and other debilitating issues—each year following acute infections from Lyme disease, COVID-19, and other pathogens. ...
May 14, 2026
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Symptoms such as fatigue, loss of appetite, altered sleep, and social withdrawal are often treated as inconvenient side effects of infection. While some scientists have suggested that they may serve a protective function, ...
Apr 30, 2026
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Myalgic encephalomyelitis (ME), long known as chronic fatigue syndrome, is now recognized as a complex, multi-system disease. However, it remains a medical enigma whose underlying causes are poorly understood, leaving those ...
Apr 22, 2026
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A study from University Hospitals Connor Whole Health has found that pediatric patients with long-term COVID report a high symptom burden that meets or exceeds that of other chronic health conditions. The study describes ...
Apr 20, 2026
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People with long COVID are at increased risk of developing cardiovascular disease, according to a new study from Karolinska Institutet published in eClinicalMedicine. The results show that the risk of conditions such as cardiac ...
Apr 1, 2026
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A global research team co‑led by McMaster University has identified one of the first medications shown to meaningfully reduce fatigue in people living with long COVID—a breakthrough for millions still struggling with persistent ...
Mar 31, 2026
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A variant of COVID-19 called BA.3.2, which has circulated under the radar since late 2024, is now spreading quickly across the United States. As a pulmonary and critical care doctor, I see many patients who are at high risk ...
Mar 30, 2026
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A growing body of evidence suggests that long COVID (or post-COVID syndrome), a condition affecting more than 10% of people after a SARS-CoV-2 infection, may be driven by the immune system turning against the body. Now, new ...
Mar 24, 2026
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Nearly three years since the SARS-CoV-2 pandemic was declared over, conservative estimates suggest that between 80 million and 400 million people worldwide have long COVID. This chronic condition associated with the infection ...
Mar 23, 2026
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