On today's podcast, Dr. Mike Stone and Dr. Mike Mallin delve into the groundbreaking study on the association between APOE and Chronic Traumatic Encephalopathy (CTE). They explore the link between brain degeneration from head trauma and its impact on mental health, mood disturbances, dementia, and more. They provide an in-depth explanation of what APOE is and discuss the dementia risk associated with APOE4. They examine the association between CTE and APOE4, and offer advice for athletes with APOE4 who are considering contact sports and how to evaluate their risk.  Additionally, they explore ways in which individuals who have played contact sports in the past can reduce their risk of developing CTE. For parents who are considering allowing their children to participate in contact sports, the doctors provide valuable insights and advice on what to consider. Tune in to learn more about this fascinating topic and gain important knowledge on how to protect yourself and your loved ones from the potential risks of contact sports.