Traumatic brain injury, often called TBI, happens when a blow, bump, or sudden jolt to the head damages the brain. These injuries can range from mild concussions to severe brain damage that changes a person’s life forever. Every year, millions of people around the world experience traumatic brain injuries. Older adults are especially vulnerable because […] The post Brain Disorders and Head Injuries May Be More Closely Connected Than We Thought appeared first on Knowridge Science Report .