Concussions are a common type of mild and temporary brain injury, but signs can last for weeks. A doctor has warned of a quiet symptom that shows you have a brain injury.

People who have a transient ischemic attack (TIA) should get aggressive treatment to help protect cognitive health, a new study suggests.

A study reveals that traumatic brain injury alters the small vessels in the brain, resulting in an accumulation of amyloid beta -- a hallmark of Alzheimer's disease. The findings suggest that vascular ...