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Diagnosis & Detection
Blood tests, screening tools, biomarkers, and AI-assisted diagnostic advances for Alzheimer's and dementia.
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61 articles found
Oct 10, 2026Diagnosis & DetectionRoutine blood test may offer clues to future dementia riskA routine blood test measuring hemoglobin may hint at later dementia risk, according to a large Korean study presented at the ECNP Congress in MunichNews Medical Alzheimers Disease News FeedOct 9, 2026Diagnosis & DetectionEarly-onset Alzheimer's patients accumulate symptoms years before diagnosisPeople diagnosed with Alzheimer's before 65 show a rising mix of health problems and healthcare visits in the years before diagnosis, but not the usual heart risk factorsNews Medical Alzheimers Disease News FeedOct 7, 2026Diagnosis & DetectionStudy finds β-synuclein as early blood-based biomarker of Alzheimer's in Down syndrome patientsA blood protein linked to synapses rises in people with Down syndrome years before symptoms, earlier than other Alzheimer's blood markers studiedNews Medical Alzheimers Disease News FeedOct 6, 2026Diagnosis & DetectionOverweight dementia patients likely to live longer than normal weight peersColumbia and NYU researchers find that people who are overweight or obese when dementia is diagnosed tend to survive longer than those at normal weightNews Medical Alzheimers Disease News FeedSep 29, 2026Diagnosis & DetectionBrain scans reveal which disorders are linked to faster brain agingA PLOS Medicine study of nearly 49,000 brain scans found Alzheimer's and mild cognitive impairment show the strongest signs of accelerated brain agingDementia News -- ScienceDailySep 24, 2026Diagnosis & DetectionLund University gets $19.4 million grant for Alzheimer’s blood testLund University's Sebastian Palmqvist wins $19.4 million from the NIH to turn the biomarker MTBR-tau243 into an FDA-approved Alzheimer's blood testNews Medical Alzheimers Disease News FeedSep 18, 2026Diagnosis & DetectionBetter fitness was linked to healthier brain structure, but not better memoryA study of 353 cognitively healthy older adults found fitness tracked with brain structure, but not with better memory or thinking scoresNews Medical Alzheimers Disease News FeedSep 17, 2026Diagnosis & DetectionSocial media posts misrepresent Alzheimer's blood test recommendationsA University of Sydney study found over a third of social media posts about Alzheimer's blood tests promoted screening healthy, symptom-free peopleNews Medical Alzheimers Disease News FeedSep 17, 2026Diagnosis & DetectionNew MRI measure maps blood flow and cellular organizationUSC researchers have built a noninvasive MRI measure, the CCSI, that shows how blood flow lines up with cell density across cortical layersNews Medical Alzheimers Disease News FeedSep 15, 2026Diagnosis & DetectionEye scans detect signs of atrial fibrillation years before diagnosisUCL and Moorfields researchers found retinal changes that flag atrial fibrillation up to four years before diagnosis, in scans of over 90,000 peopleNews Medical Alzheimers Disease News FeedSep 14, 2026Diagnosis & DetectionHidden brain wiring may help keep the mind sharp as gray matter shrinksUSC researchers report that the thin layer of short-range fibers just beneath the cortex may buffer how much gray matter loss affects thinking in older adultsDementia News -- ScienceDailySep 9, 2026Diagnosis & DetectionNew blood screening algorithm reduces unnecessary Alzheimer's PET scansA blood test-based screening algorithm from USC sharply cut the number of futile PET scans needed to enroll people in a major Alzheimer's prevention trialNews Medical Alzheimers Disease News FeedSep 2, 2026Diagnosis & DetectionAlzheimer’s may leave a mark on the brain long before plaques appearOslo researchers report structural brain changes appearing at least seven years before amyloid plaques show up on PET scans, the current gold standardDementia News -- ScienceDailyAug 27, 2026Diagnosis & DetectionBrain shrinkage biomarker may predict early-onset Alzheimer’s progressionA brain scan measure of gray matter shrinkage may help predict how fast early-onset Alzheimer's moves from mild cognitive impairment to dementia.News Medical Alzheimers Disease News FeedAug 25, 2026Diagnosis & DetectionNovel blood-based method diagnoses Alzheimer’s disease with high accuracyA blood test using ultrasonic protein amplification identified Alzheimer's and MCI due to Alzheimer's with over 90% accuracy in a 429-person validation group.News Medical Alzheimers Disease News FeedAug 22, 2026Diagnosis & DetectionFDA clears innovative blood test for earlier Alzheimer's diagnosisThe FDA has cleared PrecivityAD2, a blood test using mass spectrometry to detect signs of brain amyloid plaques linked to Alzheimer's disease.News Medical Alzheimers Disease News FeedAug 19, 2026Diagnosis & DetectionBrain changes detect Alzheimer's seven years before plaques appearA University of Oslo study in Nature Neuroscience finds structural brain changes appear at least seven years before amyloid plaques show up on PET scans.News Medical Alzheimers Disease News FeedAug 14, 2026Diagnosis & DetectionAI-based "tissue clocks" measure the biological age of human organsResearchers trained AI on 25,712 human tissue images to estimate the biological age of 40 organ types, finding organs age at different ratesNews Medical Alzheimers Disease News FeedAug 11, 2026Diagnosis & DetectionNew multi-protein blood test accurately detects late-stage Alzheimer's diseaseResearchers have pinpointed seven blood proteins that together give a sharper read on Alzheimer's than single-marker tests like p-tau217.News Medical Alzheimers Disease News FeedAug 11, 2026Diagnosis & DetectionFaith-based screenings expand early dementia detection among African AmericansMore than two-thirds of 106 older African American adults screened at an Atlanta faith-based expo had never had a memory check or brain health talk beforeNews Medical Alzheimers Disease News FeedAug 5, 2026Diagnosis & DetectionNew metric detects early Alzheimer’s changes in brain's white matterA diffusion MRI measure called PSMD picked up early white matter damage in Alzheimer's, appearing around age 38 in people with Down syndrome.News Medical Alzheimers Disease News FeedAug 3, 2026Diagnosis & DetectionNew AI model generates detailed maps of aging in brain regionsUSC researchers trained an AI on MRI scans from nearly 15,000 healthy people to map how fast individual brain regions age, not just the brain as a whole.News Medical Alzheimers Disease News FeedJul 28, 2026Diagnosis & DetectionBlood tests improve Alzheimer's detection in Down syndrome patientsA USC-led study in Communications Medicine finds two Alzheimer's blood tests reliably detect disease pathology in people with Down syndromeNews Medical Alzheimers Disease News FeedJul 27, 2026Diagnosis & DetectionAmyloid beta misfolding predicts Alzheimer's years before symptoms appearMisfolded amyloid beta in blood flagged Alzheimer's risk years before symptoms, outperforming P-tau 217 at the preclinical stage, a 779-person study found.News Medical Alzheimers Disease News Feed