Traumatic brain injury (TBI) happens when a bump, blow, jolt, or other head injury causes damage to the brain. Every year, millions of people in……
Traumatic brain injury (TBI) happens when a bump, blow, jolt, or other head injury causes damage to the brain. Every year, millions of people in……
A bruise is a mark on your skin caused by blood trapped under the surface. It happens when an injury crushes small blood vessels but……