Key Highlights
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A simple blood test measuring the ratio of neutrophils to lymphocytes (NLR) is linked to a higher future risk of Alzheimer’s disease and related dementias. This finding, confirmed in two large patient groups, suggests that routine blood work could one day help identify people at risk for dementia long before symptoms appear.
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The risk of dying from a subarachnoid hemorrhage, a type of stroke caused by a burst blood vessel, depends on the specific location of the aneurysm in the brain. Understanding this link is crucial for doctors to better predict patient outcomes and tailor emergency treatment strategies.
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Researchers have identified specific changes in brain connectivity between the amygdala and hippocampus in people with Post-Traumatic Stress Disorder (PTSD). This large-scale analysis provides a clearer biological signature for PTSD, which could lead to more objective diagnostic tools and targeted treatments.
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