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
I would like to keep my cerebrospinal fluid, thank you very much