High blood pressure (BP), also known as hypertension, is the most common cardiovascular disease and is defined as chronically elevated blood pressure greater than 140/90 mmHg. Roughly 74.5 million people in the United States age 20 and older suffer from hypertension, or roughly 1 in 3 adults. Elevated blood pressure is often referred to as the "silent killer" because it is not recognized by a given set of symptoms or feelings. This disease is a serious medical problem when left untreated and increases significantly one's risk of developing coronary artery disease and stroke.

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