Rapid amyloid-β clearance and cognitive recovery through multivalent modulation of blood–brain barrier transport https://www.nature.com/articles/s41392-025-02426-1 Scientists reverse Alzheimer's in mice using nanoparticles https://medicalxpress.com/news/2025-10-scientists-reverse-alzheimer-mice-nanoparticles.html 1 h after injection, we observed a reduction of 50–60% in Aβ