High blood pressure is a common and dangerous condition. Having high blood pressure means the pressure of the blood in your blood vessels is higher than it should be. But you can take steps to control your blood pressure and lower your risk of heart disease and stroke. About 1 of 3 U.S. adults or about 70 million people, have high blood pressure. Only about half (52%) of these people have their high blood pressure under control.
High blood pressure now major problem in developing world: study