It is often called the "silent killer" because it can damage your heart, kidney, and brain, even though you feel no symptoms. Blood pressure is the force exerted by circulating blood on the walls of blood vessels, and constitutes one of the principal vital signs. If your blood pressure is normal, you can work with your health care team to keep it that way. If your blood pressure is too high, you need treatment to prevent damage to your body's organs. High blood pressure is dangerous because it makesthe heart work too hard and contributes to atherosclerosis (hardening of the arteries). Blood pressure is a measure of how hard the blood pushes against the walls of your arteries as it moves through your body.



The medical term for high blood pressure is hypertension. It causes around 50% of coronary heart disease, and approximately 75% of strokes. Hypertension can be especially hard to manage when combined with other disorders, such as diabetes or obesity. Although high blood pressure, also known as hypertension, can cause headaches, dizziness and problems with vision, the majority of people with the condition do not display any noticeable symptoms. It is good to be asking about normal blood pressure values for children because most people think "high" blood pressure (hypertension) is something that only happens to adults. High blood pressure often does not cause any symptoms in children, but if not treated, it can cause serious health problems in the future.

Doctors do not know what causes high blood pressure in 90 to 95 percent of people who have it. In about 10 percent of patients, the disease can be traced to specific causes: heredity, kidney abnormalities, adrenal gland tumors, diabetes, chronic kidney disease, hormone abnormalities, use of birth control pills, pregnancy or a congenital narrowing of the aorta. Other possible causes of higher blood pressure are weight gain and decreased physical activity in winter. The nicotine in cigarettes and other tobacco products causes your blood vessels to constrict and your heart to beat faster, which temporarily raises your blood pressure. In some people, alcohol causes blood pressure to rise quite a lot.

The key for any high blood pressure treatment is to bring the condition under proper control. Treatment depends on how high your blood pressure is, whether you have other health problems such as diabetes, and whether any organs have already been damaged. Treatment begins with changes you can make to your lifestyle to help lower your blood pressure and reduce your risk of heart disease (see the box below). You want to achieve your treatment goal, but sometimes it seems your blood pressure just doesn't want to budge. You and your doctor can carefully review your treatment and lifestyle to see what's going on. For hypertension that isn't controlled by diet and exercise, new treatment guidelines for hypertension recommend that most patients be started on a thiazide-type diuretic, unless there is a compelling need for a different class of medications.

So high blood pressure is a condition that most people have at some point in their lives. You should always have an idea of what your blood pressure is, just as you know your height and weight. However, the biggest problem with treatment of high blood pressure is not a lack of knowledge, but a lack of the application of our current knowledge.

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