Harvard Health Blog
Is there really a blood test to diagnose concussion?
By: Eve Valera, PhD, Contributor In the past year and a half, various news stories may have led some people to believe that there are blood tests that can diagnose or unmask concussions with a single drop of blood. For individuals who have recently received a bump, hit, or jolt to the head and are wondering if they have sustained a concussion, this may sound like a simple way to find out. Unfortunately, for now