Alva Review-Courier -

CHICAGO (AP) — The first blood test to help doctors diagnose traumatic brain injuries has won U.S. government approval.

The move means Banyan Biomarkers can commercialize its test, giving the company an early lead in the biotech industry's race to find a way to diagnose concussions.

The test doesn't detect concussions and the approval won't immediately change how patients with suspected concussions or other brain trauma are treated. But Wednesday's green light by the Food and Drug Administration "is a big deal because then it opens the door and accelerates technology," said Michael McCrea, a b...