Dr. Sanjay Gupta is an American neurosurgeon, medical reporter and CNN medical correspondent. He sits down with the Armchair Expert to discuss wanting to change his name to Steve as a child, performing surgery in a wartime environment and he breaks the misconception that brain size is the primary factor in intelligence. Dax and Sanjay share a Michigander past and they discuss some of the failing components of our current healthcare system. He talks about recent findings in CTE and leaves us with advice on ways to maximize health and prolong life.