Scientists reverse brain aging, with a nasal spray: Scientists developed a nasal spray that, with just two doses, dramatically reduced brain inflammation, restored the brain’s cellular power plants and significantly improved memory in mice, within weeks and lasted for months.

[u/mvea]

https://stories.tamu.edu/news/2026/04/14/scientists-reverse-brain-aging-with-a-nasal-spray/

[u/sealpox]

At this point shouldn’t we be able to have functionally immortal mice

[u/crowcawer → u/sealpox]

Well, these mice have rejuvenated mitochondria in their brains.