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High Blood Pressure Causes What causes high blood pressure? In 90–95 percent of cases, scientists don't know what causes high blood pressure. This is essential hypertension. Fortunately, although scientists don't fully understand the causes of this disease, they've developed both non-drug and drug treatments that treat it effectively. They've also identified some factors that contribute to higher blood pressure. These are arteriosclerosis (or hardening of the arteries), thickening or hypertrophy of the artery wall, and excess contraction of the arterioles (small arteries). In the remaining cases, high blood pressure results from a recognizable underlying problem. This is called secondary hypertension. Some possible causes are a kidney abnormality, tumor of the adrenal gland or congenital defect of the aorta. When the root cause is corrected, blood pressure usually returns to normal. Related AHA Scientific Statements: Related AHA publications:
See also: Blood Pressure Blood Pressure -- Buying and Caring for Home Equipment Blood Pressure Levels Blood Pressure Testing and Measurement Congenital Cardiovascular Disease High Blood Pressure High Blood Pressure in Children High Blood Pressure, Factors That Contribute To High Blood Pressure Statistics High Blood Pressure, What Can Be Done High Blood Pressure, Why It Is Bad Hypertension Primer, Second Edition J-Curve Phenomenon Sodium |
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