Might young blood be the fountain of youth? asks Tony Wyss-Coray from Stanford University. The Professor of Neurology says blood transports messages between different organs, and young blood may be able to boost health, recharge the old brain and halt cognitive decline.

Author: Tony Wyss-Coray is a Professor of Neurology at Stanford University.

Image: A woman walks past a display of a brain slice of patient “H.M.”  REUTERS/Brian Snyder.