How a Mere Prick of the Finger Can Diagnose a Concussion by Megan Molteni from on 2017-01-17 12:00 (#296EY) Recognizing mild concussions is crucial for preventing deaths, and now there's a way to do that more accurately than ever before, with your blood. The post How a Mere Prick of the Finger Can Diagnose a Concussion appeared first on WIRED.