Brain scans suggest long COVID’s biggest clues may lie in the brain’s emotion centers, not widespread inflammation. A new brain imaging study suggests that persistent symptoms of long COVID may not be driven by ongoing brain inflammation, as many researchers have suspected. Scientists in Finland used advanced imaging techniques to examine the brains of people [...]

An established drug shows unexpected promise against long COVID fatigue. A widely used antidepressant may offer unexpected relief for one of long COVID’s most stubborn symptoms. In a new clinical trial, researchers found that fluvoxamine can significantly reduce persistent fatigue, a condition that continues to disrupt daily life for millions worldwide. The study, led in [...]

Vitamin D didn’t blunt COVID’s initial impact—but it may hold a surprising clue in the fight against long COVID. A large randomized study led by researchers at Mass General Brigham found that taking high doses of vitamin D3 did not lessen the severity of COVID-19 infections. However, the results suggest the supplement could play a [...]

A new study provides the first direct biological evidence explaining why some people continue to experience taste loss long after recovering from COVID-19. Researchers have uncovered specific biological changes in taste buds that could help explain why a small number of people continue to struggle with taste loss long after a COVID-19 infection. The study, [...]