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The brain's blood vessels may hold a key to Alzheimer's—and protection from it
Alzheimer's disease is one of the most feared diagnoses among older adults, particularly for those who know they carry a high-risk gene that magnifies their odds.
AI Summary
Columbia researchers found that some older adults who carry the high‑risk APOE ε4 gene avoid developing Alzheimer’s and remain mentally sharp into their 80s. The study, published two years ago, shows that factors beyond genetic luck help protect these carriers. The findings suggest that the brain’s blood vessels may play a role in this protection.
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