High blood pressure, or hypertension, affects about one in four Americans -- but this potentially life-threatening condition can exist virtually without symptoms.

Now, the latest medical advances that can help prevent the damaging effects of hypertension are compiled in a convenient reference under the authority of the American Medical Association. Here is clear, concise information that can help you to:

* Understand all aspects of hypertension: what it is, who is at risk, how it affects the body, and how it is diagnosed

* Learn about your cardiovascular system -- and how your body controls blood pressure

* Discover the treatable causes of hypertension -- from certain physical disorders and illnesses to side effects of common medications

* Safely monitor your blood pressure, with tips for more accurate readings

* Take control of your health with current lifestyle recommendations and nutritional guidelines

* Work with your doctor to maintain a drug therapy program, and select the best treatment options

* Recognize and deal with hypertensive emergencies.

Also included is information about hypertension among pregnant women, African-Americans, children, seniors, and people with diabetes; answers to commonly asked questions; a glossary of related terms; and a directory of addresses and Web sites for up-to-the-minute medical news. You'll find everything you need to help manage your blood pressure in the American Medical Association Essential Guide to Hypertension.