What is "The Brain Health Initiative"? Why is it that so many aspects of brain function are so hard to understand? Why is cognitive dysfunction such a difficult topic to discuss? How far away are we from the days when we will have a biomarker that can help us in this area?

Desiree Chappell presents, with her guests; Dr Lee A. Fleisher Professor and Chair of Anesthesiology and Critical Care, University of Pennsylvania and Miles Berger, Neuroanesthesiologist at Duke University Medical Center.