10/22/2026
Vital Signs · medicine

Scientists find a youth protein that helps aging brain cells act young again

Filed by Dr. Iris Vale
Scientists find a youth protein that helps aging brain cells act young again
Scientists have discovered that a protein linked to youth helps protect the brain’s immune cells from age-related decline. Restoring the protein in older mice improved the cells’ ability to clear debris and reduced signs of inflammation, raising hopes for future treatments targeting brain aging and Alzheimer’s disease.
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Dr. Iris Vale
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Scientists find a youth protein that helps aging brain cells act young again — Vital Signs