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Thursday, October, 29, 2009

What Is Normal Intracranial Pressure

Health Encyclopedia: High Blood Pressure Causes

Causes


Hypertension is referred to as essential (primary) when the doctor is unable to identify a specific cause. It is by far the most common type of high blood pressure. The causes of this type are unknown but are likely to be a complex combination of genetic, environmental, and other factors.

Genetic Factors. A number of genetic factors or interactions between genes play a major role in essential hypertension. Experts think that the chromosomes (13 and 18) house the genes responsible for blood ...

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Health Guide

Sleep Apnea: Prognosis
PrognosisSleep apnea has a strong association with several diseases, particularly those related to the heart and circulation.Adverse Effects of Sleep Apnea on Heart and CirculationResearchers are... Read more »
High Blood Pressure: Introduction
High blood pressure, also called hypertension, is elevated pressure of the blood in the arteries. Hypertension results from two major factors, which can be present independently or... Read more »
Glaucoma: Causes
CausesNo single factor has been identified as a cause of primary open-angle glaucoma. A number of conditions, alone or in combination, are needed to trigger the processes leading to pressure in the... Read more »
High Blood Pressure: Diagnosis
Mostphysical exams include a blood pressure measurement.Patients should not smoke or drink caffeinated beverages within 30 minutes beforetheir blood pressure measurement.The... Read more »
Glaucoma: Risk Factors
About 2 million Americans have open-angle glaucoma, but an exact count is unclear. Experts estimate that by 2010, over 60 million people worldwide will have glaucoma, with 74% of these... Read more »

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