MeSH tree: C08.381.677.807.500.500
Persistent symptoms after COVID-19 infection continue to affect millions of people worldwide, even as the number of acute infections has declined. Long COVID (LC) can cause fatigue, headaches, sleep disturbances, breathing ...
Jun 12, 2026
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New findings from the ACTIV-6 randomized clinical trial provide important confirmation of prior clinical trial results that metformin, a widely available and inexpensive medication with an established safety record, reduced ...
Jun 11, 2026
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A Mount Sinai-led research team has demonstrated that autoimmunity, in which the body's immune system attacks its own tissues, is responsible for the often-debilitating and confounding symptoms of long COVID in a subset of ...
May 28, 2026
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The true toll of long COVID may be double that of current estimates and hidden from current surveillance systems that rely on capturing diagnostic codes, according to new research led by Mass General Brigham. Investigators ...
May 27, 2026
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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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