Get the basics of blood pressure: Learn what normal blood pressure is, what causes hypertension, who's at risk, and more.

How does your heart beat? How does your blood flow? See what your heart looks like, learn how it works, and more.

Here are eight quick facts you might not know about high blood pressure.

Learn what you do and don't know about high blood pressure with this quiz.

Too much high blood pressure medication is one of the causes of low blood pressure. Get the basics on low blood pressure, from its causes to who's at greater risk.

Specific causes for hypertension are unknown, but certain factors are known to contribute to high blood pressure. Get an overview of these factors and learn how you might be able to reduce your risk.

Certain medications may cause hypertension. Check the list of medications here.  Is yours on the list?

In about 5% to 10% of people, high blood pressure is caused by another condition, such as chronic kidney disease, pregnancy, and more. Learn which conditions increase your risk of secondary hypertension and how you might be able to reduce that risk.

Could visits to the doctor be causing that spike in your blood pressure? Learn what "white-coat syndrome" is, and get one expert's feedback on what to do if the syndrome happens to you.

The exact cause of hypertension is unknown, but there are several factors and conditions that may contribute to its occurrence. Learn about high blood pressure risk factors here.

High blood pressure is more common in younger men than most believe. Find out why the condition should be taken just as seriously as in their older counterparts.

Robin Adkins is taking part in a new study designed to learn more about the "salt hormone" aldosterone and the genetic connection between hypertension and blacks. Learn if new therapies can block the effects of this hormone.

Today's overweight first-grader is likely to have high blood pressure before finishing high school, according to heart researchers. What can be done to stem this tide? This link will take you to the American Heart Association's web site.

About one in every four American adults has high blood pressure -- also know as hypertension. Learn the simple steps you can take, from maintaining a healthy weight to the dietary supplements that may help.