Stroke is [[paralysis]] of the body due to problem with [[blood]] supply to the [[brain]]. As [[blood]] supply to the brain depends on a single arterial system, a blockage can result in paralysis of even one whole side of the body. It is caused by high blood pressure, smoking and stress. | Stroke is [[paralysis]] of the body due to problem with [[blood]] supply to the [[brain]]. As [[blood]] supply to the brain depends on a single arterial system, a blockage can result in paralysis of even one whole side of the body. It is caused by high blood pressure, smoking and stress. |