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PET study links unawareness of memory loss to increased Alzheimer's risk

Canadian researchers who used PET found that people with memory loss and anosognosia, or impaired illness awareness, had reduced glucose uptake in certain brain regions, which is associated with a higher likelihood of developing Alzheimer's disease, compared with those who were aware of their memory loss. The findings in The Journal of Clinical Psychiatry were based on data involving 1,062 adults ages 55 to 90 in the Alzheimer's Disease Neuroimaging Initiative.

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