Blood factors transfer beneficial effects of exercise on neurogenesis and cognition to the aged brain. - Horowitz, Alana M.; Fan, Xuelai; Bieri, Gregor; Smith, Lucas K.; Sanchez-Diaz, Cesar I.; Schroer, Adam B.; Gontier, Geraldine; Casaletto, Kaitlin B.; Kramer, Joel H.; Williams, Katherine E.; Villeda, Saul A. (Science (pre-March 2025), 2020)