Ouch! How Getting Hurt Hurts

If you’ve dropped a heavy object on your toe or slammed your finger in the door, you’ll notice that a sharp pain happens immediately, followed by a dull, throbbing ache later. Why the lag? It’s because two kinds of neurons—cells that relay signals between your body and brain—are working. The key difference between these neurons … Continue reading Ouch! How Getting Hurt Hurts