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.

Scientists analyzed data from more than 17,000 middle-aged and older adults in the Health and Retirement Study. They examined 13 established risk factors, including hypertension, diabetes, depression, physical inactivity, and hearing loss. The results were published May 19 in the journal Biology of Sex Differences.

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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.

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.

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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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