It is possible to both have and not have Alzheimer’s disease

It is possible to both have and not have Alzheimer’s disease. Contradictory as this statement is, a study reported from the Alzheimer’s Disease Neuroimaging Initiative (ADNI) supports it.

In a paper published in the October issue of the Annals of Neurology investigators reported the results of biomarker studies of 53 patients with dementia caused by Alzheimer’s disease. They found a notable proportion of these patients lacked one of the signature pathologies: …

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