Ex-NFL player: ‘Something wrong with a sport where you lose your marbles’

06:58

Megyn Kelly continues her talk with Mike Adamle, a former NFL player who has exhibited symptoms consistent with chronic traumatic encephalopathy (CTE), who says, “There is something intrinsically wrong with a sport where you lose your marbles.” His wife Kim says that though “we can’t stop CTE,” there are other things they can do to promote brain growth.