Tiny Blood Clots May Be to Blame for Long COVID Symptoms, Some Researchers Say
Briefly

Blood clotting is a normal, healthy process.It's what stops the bleeding when you slice your finger in the kitchen, for example.But sometimes, clotting goes awry.Clots that block major blood vessels can lead to potentially fatal issues like strokes or heart attacks.Tiny clots in the body's small blood vessels can also be dangerous.
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