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New Blood Test Shows Promise in Predicting Alzheimer's Risk for Older Adults

KVIA••CNN Newsource
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A recent study indicates that older adults with elevated levels of the biomarker p-tau217 in their blood face a significantly higher risk of developing dementia, with a 38% increased chance over five years and 78% over ten years. This blood test could revolutionize Alzheimer's diagnostics, traditionally reliant on invasive methods like PET scans. However, experts caution that while p-tau217 tests can provide insights into cognitive health, they should not be used in isolation for diagnosis. The research emphasizes the importance of lifestyle interventions, which may prevent up to 45% of dementia cases. The findings will be presented at the Alzheimer’s Association International Conference and published in JAMA.

Key Details: • P-tau217 blood test shows a 38% increased risk of dementia over five years. • Lifestyle changes can potentially prevent up to 45% of dementia cases. • Study results will be presented at the Alzheimer’s Association International Conference. • Blood tests should be used alongside cognitive assessments for accurate diagnosis.

health research alzheimer dementia biomarkers

People & Organizations

Richard IsaacsonAlzheimer’s AssociationRachel BuckleyLaura NisenbaumAlzheimer’s Drug Discovery Foundation

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