July 15, 2026
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Older adults who were cognitively healthy but had very high levels of p-tau217 were 78% more likely to develop cognitive impairment within a decade, according to data presented at the Alzheimer’s Association International Conference.Risks also increased by 45% over 10 years for older adults with slightly elevated levels of p-tau217, Rachel F. Buckley, PhD, associate professor of neurology,
July 15, 2026
4 min read
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New Alzheimer’s blood test may be promising but is not yet ready for widespread use | CNN

Study shows blood test can help identify people at high risk for Alzheimer's disease

Study shows a blood test can help identify healthy people at high risk for Alzheimer's disease

Alzheimer's blood test may predict who's likely to develop symptoms in 5 to10 years

Eisai Presents Latest Findings Showed Etalanetug Reduced Alzheimer's Disease Tau Tangle-Specific Plasma Biomarker MTBR-tau243 at Alzheimer's Association International Conference® (AAIC®) 2026

Blood tests for tau, a key biomarker of Alzheimer’s disease, may predict dementia risk, a new study found. How best to use the…

Individuals in middle age with higher levels of plasma amyloid-beta 42, amyloid-beta 40 and phosphorylated-tau 217 demonstrated…

Healthier dietary patterns with lower inflammatory potential were associated with lower dementia risk for people with elevated…

The outcome of the study revealed other interesting associations, too.

A commercial assay that measures eMTBR-tau may be an alternative to tau PET imaging in diagnosing Alzheimer’s disease, according…

A blood test that helps diagnose Alzheimer's might also forecast if healthy older adults will develop symptoms