What Exactly Is a Biomarker?

A biomarker is any measurement that provides information on a patient's specific organ or organ system. A simple blood biomarker test like those used to test heart attack or liver function is greatly needed for brain injury.

See more videos with Dr. Ronald Hayes.

Posted on BrainLine April 2, 2013.

Produced by Brian King, Vicky Youcha, and Erica Queen, BrainLine.