Early Warning Sign of Brain Shrinking in Older Adults Revealed
Summary
A study by researchers at the University of Southern California found that short-term changes in blood pressure, even when average levels are normal, may cause brain shrinkage linked to memory and thinking issues. They studied 105 older adults and found that unstable blood pressure could damage brain regions connected to learning and memory. The study suggests that stabilizing blood pressure might help protect the brain from aging.Key Facts
- The study was published in the Journal of Alzheimer’s Disease.
- Researchers looked at blood pressure fluctuations between heartbeats, not just average levels.
- Blood pressure "dynamic instability" is linked to changes in brain areas tied to memory.
- 105 adults aged 55-89 participated in the study.
- Participants had their blood pressure monitored continuously during MRI scans.
- High blood pressure variability and stiff arteries were linked to smaller brain regions.
- Blood tests showed higher nerve damage markers in those with unstable blood pressure.
- The results suggest stabilizing blood pressure could help prevent brain aging.
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