Tag
Dementia
Page 5 of 9
A midlife blood marker tracked dementia 25 years ahead
Across several cohorts, a protein called GDF15 measured in midlife lined up with dementia risk 15 to 25 years later. The link was stronger for vascular dementia than for Alzheimer's disease.
Aug 4, 2026
Short and long sleep both tracked with Alzheimer changes
Using brain scans from 38,816 UK Biobank participants, researchers found a U-shaped pattern: five to six hours and nine to ten hours both lined up with more Alzheimer-like shrinkage and worse test scores.
Aug 4, 2026
Blood pressure that swings tracked with faster memory loss
Pooling 11,104 participants from two major blood pressure trials, researchers in Alzheimer's & Dementia found that how much systolic pressure moved between visits tracked with cognitive decline, independently of the average.
Aug 3, 2026
Nine measures of sleep, none predicted dementia
Researchers writing in Neurology boiled 44 sleep measurements down to nine composites across five US cohorts, then tested them against 1,134 dementia cases. Two tracked with better thinking scores. None tracked with dementia.
Aug 3, 2026