Mass General Brigham

Stroke: Causes, Risk Factors, Treatment, and Prevention

What causes a stroke?

What are the risk factors for stroke? How does a stroke affect the brain? Natalia S. Rost, M.D., M.P.H., F.A.A.N., F.A.H.A., Chief of the Stroke Division at Massachusetts General Hospital and Professor of Neurology at Harvard Medical School, discusses how strokes affect the brain and ways people can help prevent strokes.