A 7-Year multi-site research project to develop methods of diagnosing Chronic Traumatic Encephalopathy (CTE) during life and to examine potential risk factors for this degenerative brain disease. This study, which is funded by the National Institutes of Health, does not provide a diagnosis or treatment to participants. 

Currently enrolling men ages 45-74 who are:

  • Former NFL players
  • Former varsity college football players
  • Men who have never participated in contact sports or have had any brain injury