Abnormal forms of a brain-cell protein called tau, which have long been implicated in Alzheimer’s and other neurodegenerative disorders, may contribute to neurodegeneration earlier than was previously understood, by interfering with the normal dynamics of blood flow in the brain, suggests a study from scientists at Weill Cornell Medicine. The results pave the way for research efforts that seek to prevent early neurodegeneration by restoring normal blood flow.
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