{"id":"313ba1e9-9afd-407a-853a-21f0f37ad4ae","url":"https://www.sciencedaily.com/releases/2026/07/260726015257.htm","domain":"sciencedaily.com","outlet":{"name":"ScienceDaily","country":"US","cred":3,"lean":0,"curated":true},"title":"A hidden Alzheimer’s tipping point may decide who gets dementia","plainHeadline":"An Alzheimer’s threshold may influence who develops dementia","rewrite":{"model":"gpt-5.6-sol","at":"2026-07-26T11:08:47.736Z"},"summary":["Researchers identified a biological shift linked to progression from Alzheimer's to dementia.","Study used donor brain tissue across dementia, non-dementia, and centenarian groups.","Six tissue domains revealed a critical transition between amyloid and tau pathology.","Microglia shift from inflammatory to antigen-presenting states correlates with disease stages.","Findings suggest therapies could target microglial states and timing to delay dementia."],"topics":["Health","Science"],"lang":"eng","publishedAt":"2026-07-26T10:14:57.000Z","ingestedAt":"2026-07-26T10:38:49.965Z","story":"https://brief.concise.news/story/131fb326-abeb-4a58-88b4-906f34286d27"}