What Is a Stroke?
A stroke is a sudden disruption in the flow of blood to the brain, usually caused by a blockage in a blood vessel in the brain. This interruption of blood flow causes the affected part of the brain to suffocate because blood is no longer carrying oxygen to the brain tissue. Strokes can result in the death of parts of the brain, causing physical and mental impairments—in fact, strokes are the leading cause of serious long-term disability in the United States.5 Serious strokes are often fatal. Continue reading