Physics informs when impact to the head or a pane of glass occurs, there is a transfer of energy that reverberates and ...

Rehman noted that he had not seen any of the X-rays or other imaging, but mentioned that from what he has seen, the Hall of Famer sustained severe injuries: "It's the worst form of head injury ...

This damage is called a traumatic brain injury. The U.S. Food and Drug Administration continues to study TBI and encourages the development of medical devices to help diagnose and treat it.