Tag: Amyloid
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Digital test plus blood biomarker boosts accuracy of Alzheimer’s diagnosis in primary care
Two-step workflow taps cognitive screening before biomarker testing A new two-step approach to diagnosing Alzheimer’s disease (AD) in primary care shows promise for cutting false positives and streamlining referrals. Researchers tested a brief, self-administered digital cognitive battery, BioCog, first, and reserved amyloid-related blood tests for individuals who showed objective impairment. This “test-then-blood” workflow aims to…
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Against All Odds: The Doug Whitney Story of Unexpected Alzheimer’s Resilience
Against All Odds: A Man Who Defies a Grim Genetic Forecast Doug Whitney, a 76-year-old retiree from Seattle, carries a genetic mutation historically tied to early-onset Alzheimer’s disease. Yet decades after doctors predicted a cognitive decline would begin in his 40s or 50s, he remains mentally sharp and engaged with family, friends, and science. His…
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New US Study Links Chronic Insomnia to Faster Cognitive Decline and Dementia Risk
Chronic insomnia and brain aging: what the study found A large U.S. study from the Mayo Clinic has found that chronic insomnia in adults over 50 is linked to faster declines in memory and thinking, along with a higher risk of developing dementia. The research followed thousands of participants over several years, using detailed cognitive…
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Chronic Insomnia Accelerates Cognitive Decline and Dementia Risk
Insomnia and Dementia Risk Chronic insomnia is more than a nightly nuisance: it can physically reshape the brain and raise the likelihood of dementia. In a substantial U.S. study, researchers tracked middle-aged and older adults to explore how persistent sleep problems influence cognitive health over time. The findings point to a multi‑year link between inadequate…