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.
Blood Pressure Causes
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.
Blood Pressure Symptoms http://health.liszq.com/plus/view.php?aid=9674
High blood pressure is one of the most serious health problems in the United States; yet, because high blood pressure has no symptoms, millions of people do not even know they have it. High blood pressure often causes no symptoms, or immediate problems, but it is a major risk factor for developing a serious cardiovascular disease (conditions that can affect the circulation of blood around the body), such as a stroke, or heart disease. Sudden changes in blood pressure can cause interruptions in the blood supply to the heart, kidneys and brain, and will almost always be accompanied by distinctive symptoms. The presence of symptoms, such as headache or blurry vision, usually indicates severe or long-standing hypertension.
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