"The only way to truly confirm a diagnosis of Alzheimer's disease is through an autopsy, and researchers have been working on ways to image the neurodegenerative disease before it's too late. A few groups are forging ahead to image tau—a protein whose clusters in neurons are associated with Alzheimer's—in living humans using tracer molecules and positron emission tomography (PET). Data from one such molecule, imaged in six adults, were reported today (September 18) in Neuron."
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