TOH edition: Tuesday, 22 September 2026 · Science & Technology
Alzheimer's Is Usually Found After the Damage. A Standard Brain Scan Has Now Caught It Seven Years Earlier.
Reported by Science News
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Researchers report that measurable thickening in the cortex appears on MRI up to seven years before amyloid-beta plaques, the established hallmark of Alzheimer's — an early window on the disease using scanning that hospitals already have.
Dementia is the diagnosis people most fear and the one medicine keeps meeting too late. This is a signal that arrives years before the hallmark.
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