Behind the bright lights and roaring crowds of contact sports lies a silent epidemic: repeated head trauma and its devastating effects on the brain. From NFL legends and MMA fighters to boxers and pro wrestlers, many athletes have suffered the irreversible consequences of Chronic Traumatic Encephalopathy (CTE). In this episode, I explore the biology, the personal stories, and the urgent need for change in how we protect the minds of those who put their bodies on the line.