The Problem with Football: How to Make It Safer

What's wrong with football? It's written in the pain on Greg Hadley's face. The senior from Colgate University, a two-time all-conference linebacker on the school's football team, is sitting in a Bedford, Mass., laboratory, staring at shattered brains of dead football players. On this Friday afternoon, Hadley has come to visit Dr. Ann McKee, a Boston University neurological researcher who has received a dozen brains donated from former NFL, college and high school players. In each one, it's simple to spot a protein called tau, which defines a debilitating disease known as chronic traumatic encephalopathy, or CTE. Common symptoms of CTE...