https://www.sciencealert.com/scientists-rejuvenate-the-memories-of-elderly-mice-by-injecting-them-with-young-mouse-cerebrospinal-fluid
https://www.sciencealert.com/scientists-rejuvenate-the-memories-of-elderly-mice-by-injecting-them-with-young-mouse-cerebrospinal-fluid
Thanks for that. I needed a good laugh.