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
That was the plot to altered carbon basically.
First seasons good, second sucked ass. Books probably better, haven't read it