Study finds biomarker of CTE in some former athletes with multiple concussions

In a group of former professional athletes who experienced multiple concussions, a new study has found that approximately half the group had higher than normal levels of a protein called tau in their cerebrospinal fluid, the fluid surrounding the brain and spine. The study is published in the May 8, 2019, online issue of Neurology®, the medical journal of the American Academy of Neurology.
Source: EurekaAlert, https://www.eurekalert.org