Stroke is the third leading cause of death after heart disease and cancer and a leading cause of serious, long-term disability, according to the American Heart Association (AHA).
Strokes kill about 157,000 people a year, accounting for about 1 of every 15 deaths.
Stroke Assessment
Find out more about stroke by taking this quiz, based on information from the AHA and the National Institute of Neurological Disorders and Stroke (NINDS).