Alzheimer’s Might Not Be Primarily A Brain Disease. A New Theory suggests It’s An Autoimmune Condition.

A new theory of Alzheimer’s disease reassesses the role of beta-amyloid in the brain.

By Donald Weaver-University of Toronto
Oct 18, 2022 1:00 PMAug 21, 2023 6:23 PM
Alzheimer's Disease on MRI
(Credit:beccarra/Shutterstock)

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The pursuit of a cure for Alzheimer’s disease is becoming an increasingly competitive and contentious quest with recent years witnessing several important controversies.

In July 2022, Science magazine reported that a key 2006 research paper, published in the prestigious journal Nature, which identified a subtype of brain protein called beta-amyloid as the cause of Alzheimer’s, may have been based on fabricated data.

One year earlier, in June 2021, the U.S. Food and Drug Administration had approved aducanumab, an antibody-targeting beta-amyloid, as a treatment for Alzheimer’s, even though the data supporting its use were incomplete and contradictory. Some physicians believe aducanumab never should have been approved, while others maintain it should be given a chance.

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