Women’s verbal memory may delay alzheimer’s diagnosis by years

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Women maintain normal scores on standard memory tests for nearly three years longer than men even after Alzheimer’s-related brain changes begin. This cognitive advantage can mask early signs of the disease and delay treatment. A new analysis of long-term studies in the US and Canada highlights the issue.

Researchers led by Sasha Novozhilova at McGill University examined data from older adults who underwent regular cognitive tests and brain scans. Participants recalled lists of 15 words in immediate, delayed, and distracted conditions. Women with significant amyloid buildup in their brains continued to score normally for an average of 2.7 years longer than men with comparable pathology.

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A scientist in a lab analyzing a blood sample for early Alzheimer's detection, with brain scan overlays.
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Blood test can reveal Alzheimer's signs years ahead

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A new study shows that blood tests can detect signs of Alzheimer's several years before the disease develops. American researchers published the findings in The Lancet.

Study finds alzheimer's risk factors hit women harder

New research from the University of California San Diego shows that several common dementia risk factors affect women's cognitive performance more strongly than men's. The findings help explain why women account for nearly two thirds of Alzheimer's cases in the United States.

Lifelong cognitive enrichment tied to lower Alzheimer’s risk and later symptom onset, study finds

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People who reported more mentally stimulating experiences from childhood through older age were less likely to develop Alzheimer’s disease and tended to develop symptoms years later than peers with the lowest enrichment, according to an observational study published in Neurology.

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Study of nearly 4,000 adults finds brain-health scores can improve into the 90s

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Cochrane review questions benefits of anti-amyloid Alzheimer’s drugs

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Pauses and filler words in picture descriptions were linked to executive function in a Baycrest-led study

Woman with Alzheimer's regains speech after psilocybin treatment

An 83-year-old woman with severe Alzheimer’s disease began speaking in full sentences and regained bladder control after taking a large dose of psilocybin. The changes occurred following a single session with the psychedelic compound derived from magic mushrooms. Researchers describe the case as dramatic but stress it is only one anecdotal report.

Study finds lower normal B12 levels tied to brain changes

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A University of California San Francisco study has linked lower but still normal levels of active vitamin B12 to slower thinking and white matter damage in healthy older adults. The research, published in Annals of Neurology in 2025, suggests current guidelines may miss early neurological risks. Researchers examined 231 participants with an average age of 71.

July 05, 2026 20:36

Healthy offered Alzheimer test – doctors warn

June 21, 2026 19:04

Yale study finds nearly half of older adults improved with age

June 14, 2026 00:14

Learning musical instrument in 70s may protect memory

June 01, 2026 07:23

Large genetic study uncovers new Alzheimer’s drug targets

April 24, 2026 18:54

Personalized treatment plans improve early dementia symptoms

April 14, 2026 13:30

Lonely older adults have weaker memory but similar decline rates

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