The researchers suggest that adding measures of blood tau to current clinical assessments might help us make better return-to-play decisions and prevent players resuming contact sports while their brains are still healing.
The researchers - including members from the University of Rochester School Medical Center (URMC) in New York - report their findings in the journal Neurology.
A concussion is a form of traumatic brain injury (TBI) that results either directly from a blow or jolt to the head, or indirectly from a strike to the body that results in the head and brain moving back and forth rapidly.
