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Researcher recommends 3 postulates to help identify Alzheimer's cause.

Washington, June 21 (ANI): To test the validity of present and future proposals related to the probable cause of Alzheimer's disease (AD), a researcher has recommended three postulates, or necessary conditions.

"Knowing what causes AD is critically important because it would allow more effective therapy to specifically prevent new cases and apply interventions to slow down the mental decline in people who already have this dementia," said Jack de la Torre, Adjunct Professor of Psychology at the University of Texas, Austin.

"In search of the Alzheimer cause, a considerable number of hypothetical proposals have been published, but no proposal so far has reached a consensus of agreement by experts in the field. Proposals regarded as weak and insubstantial by evidence-based medicine not only cost lots of money and effort, they also hinder clinical progress."

Dr. de la Torre believes that any likely cause of AD would need to satisfy the criteria established by the three postulates when hypothetical proposals are submitted to explain the pathogenesis of AD. The first postulate requires that the cause of AD precedes the cognitive decline and neurodegenerative pathology that characterize AD. This rule identifies a primary event from a neuropathological effect generated by the disease process.

The second postulate stipulates that interventions aimed at the proposed causal event should prevent or reverse the cognitive and neurodegenerative pathology associated with AD prior to disease onset. This postulate emphasizes prevention or reversal of emerging neurocognitive pathology considerably before AD onset.

If the first and second postulate requirements are met, the third postulate follows that interventions targeting the causal event should significantly lower the incidence of AD.

The study has been published in the Journal of Alzheimer's Disease. (ANI)

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Publication:Asian News International
Article Type:Disease/Disorder overview
Date:Jun 21, 2011
Words:298
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