Alzheimer; News from the web:
Super-agers don’t develop the key biomarkers of Alzheimer’s, even in their 80s and 90s. Scientists try to crack the code about what protects their brains.
There are a lot of unanswered questions about Alzheimer’s, but one thing the Alzheimer’s community knows well is that getting older is the disease’s greatest known risk factor. Generally, the buildup of beta-amyloid and tau tangles in the brain — key biomarkers of neurodegeneration — increase as people age; abnormal levels of these proteins are linked to the onset of Alzheimer’s.
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