Intranasal therapy reverses brain aging and memory decline in mice

TL;DR
A mouse study shows a simple intranasal spray delivering stem-cell–derived particles with microRNAs reduces brain inflammation, restores mitochondrial energy, and improves memory, suggesting a noninvasive approach to slowing or reversing age-related brain decline—pending human testing.
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- Scientists reverse brain aging, with a nasal spray Texas A&M Stories
- Scientists Reverse Brain Aging With Simple Nasal Spray SciTechDaily
- Nasal Spray Reverses Brain Aging and Inflammation Neuroscience News
- Texas A&M nasal spray uses microRNA vesicles to calm neuroinflammaging NewsBytes
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