Every year, more than 795,000 people in the United States have a stroke.About 610,000 of these are first or new strokes.About 185,00 strokes-nearly one of four-are in people who have had a previous stroke.About 87% of all strokes are ischemic strokes, when blood flow to the brain is blocked.Americans suffer 1.5 million heart attacks and strokes each year. Cardiovascular disease-including heart disease and stroke-is the leading cause of death in the...