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  "path": "/releases/2026/03/260317064457.htm",
  "publishedAt": "2026-03-17T07:44:52.000Z",
  "site": "https://www.sciencedaily.com",
  "textContent": "A key Alzheimer’s drug has finally revealed its secret. Researchers discovered that lecanemab works by activating the brain’s immune cells—but only through a specific part of the antibody called the Fc fragment. This piece acts like a trigger, prompting microglia to clear harmful amyloid plaques. The finding could reshape how future Alzheimer’s therapies are designed.",
  "title": "Scientists finally reveal how this Alzheimer’s drug really works"
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