• In part three of PBS NewsHour's series War on the Brain, special correspondent Soledad O’Brien reports on how talks to a neuropathologist who is studying the brains of people who suffered traumatic brain injuries and the possible connection to PTSD.

  • There is no consensus among players that faking the concussion protocol is as prolific as some suggest. The one thing most would seem to agree on is that there is motivation to try. The tests used to screen concussions are inexact and need to be interpreted by a qualified medical professional. There is financial incentive for players to try to skew that interpretation and team goals that can encourage lax oversight. In short: The NFL environment is ripe for players to try to fake.

  • A recent survey shows which sports parents think are safer, but they may be off base, say experts.

  • At Children’s Hospital of Pittsburgh of UPMC and the University of Pittsburgh School of Medicine, researchers have created a blood test to detect bleeding in the brain that may have resulted from abusive head trauma — sometimes called shaken baby syndrome.

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