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Causes of High Blood Pressure

Causes of High Blood Pressure

Published: March 1, 2010

Q: All the results of my husband’s many heart tests are normal. Why does he have high blood pressure?

A: Your husband isn’t alone—most people with high blood pressure have “essential” hypertension, which means that there is no identifiable cause for it. One promising experimental therapy involves threading a catheter into the artery that provides blood to the kidney, and then delivering electricity via electrodes at the end of the catheter to “burn” certain nerves in the arterial wall that play a key role 
in the development of hypertension, 
an approach that may restore normal blood pressure without using drugs.

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