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Fat may secretly fuel Alzheimer’s, new research finds

New research from Houston Methodist reveals how obesity may directly drive Alzheimer’s disease. Scientists discovered that tiny messengers released by fat tissue, called extracellular vesicles, can carry harmful signals that accelerate the buildup of amyloid-β plaques in the brain. These vesicles even cross the blood–brain barrier, making them powerful but dangerous connectors between body fat and brain health.

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