9/30/2026
Vital Signs · medicine
Scientists found a surprising driver of Alzheimer’s outside the brain
Filed by Dr. Iris Vale
Scientists found that immune cells contributing to Alzheimer’s-related brain damage may be activated in lymph nodes outside the brain before traveling into the nervous system. Blocking this pathway in mice dramatically reduced neurodegeneration and preserved cognitive abilities, pointing to a potentially more accessible treatment target.
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Dr. Iris Vale
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