Conditions & Recovery · ScienceDaily Chronic Illness · September 28, 2026

Scientists found a surprising driver of Alzheimer’s outside the brain

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.

Originally published by ScienceDaily Chronic Illness. We curate and add context; they did the reporting.

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