A TBI is a Brain Injury. A Contusion is a Brain Injury. A Concussion is a Brain injury. Multiple Sclerosis is an injury to the Brain. A Brain Tumor can cause Brain Injury.
Concussion is from a brain injury.
A Stroke is caused by either excess or reduced blood supply to the brain. A Brain Tumor is an abnormal growth of cells on the brain. The causes are varied. In the time it takes you to read this sentence, someone will experience traumatic injury to the brain. In one second, my whole life changed.