Tuesday, 2 February 2010

High Blood Pressure Causes

High blood pressure, also known as HBP or hypertension, is a widely MisUnderstood medical condition. Some people think that those with hypertension are tense, nervous or hyper-active, but hypertension has nothing to do with personality traits. The truth is, you can be a calm, relaxed person and still have HBP.The body in your body need oxygen, two survive. Oxygen is carried through the body by the blood. When the heart beats, it creates pressure that pushes blood through a network of tube-shaped arteries and veins, also known as blood vessels and capillaries. The pressure - blood pressure - is the result of two forces. The first force occurs as blood pumps out of the heart and into the arteries that are part of the circulatory system. The second force is created as the heart rests between heart beatsThink of it this way: In a home where several faucets are open and running, the water pressure flowing out of any one faucet is lower. But when pipes get clogged and there are narrow, the pressure is much greater. And if all the household water is flowing through only one faucet, the pressure is higher still.When the arteries are not as elastic Because of the build-up of cholesterol or plaque or Because of scarring, the heart pumps harder to get blood into the arteries. Over time, this increased work can result in damage to the heart itself. The muscles and valves in the heart can become damaged and heart failure can result.Damage to the vessels that supply blood to your Kidney and brain may negatively affect these organs.90 95 percent of cases, scientists do not know what causes high blood pressure. This is essential hypertension. Fortunately, Although scientists do not fully understand the causes of this disease, they've developed both non-drug and drug treatments that treat it effectively. They've also identified some factors that Contribute to high blood pressure. These are arteriosclerosis (or hardening of the arteries), Thickening or hypertrophy of the artery wall, and excess contraction of the arterioles (small arteries).In the remaining cases, high blood pressure results from a recognizable underlying problem. This is called secondary hypertension. Some possible causes are a kidney abnormality, tumor of the adrenal gland or congenital defect of the aorta. When the root cause is corrected, blood pressure usually returns two normal.In as many as 95% of reported high blood pressure cases in the United States, the underlying cause can not be determined. This type of high blood pressure is called essential hypertension.Though essential hypertension remains somewhat mysterious, it has been Linked to certain risk factors. High blood pressure tend to run in families and is more Likely than two but affect women. Age and race also play a role. In the United States, blacks are Twice as Likely as Whites to have two high blood pressure, Although the gap begins around age two narrow 44th After age 65, black women have the highest incidence of high blood pressure.Essential hypertension is also greatly influenced by diet and lifestyle. The link between salt and high blood pressure is especially compelling. People living on the northern islands of Japan eat more salt per capita than anyone else in the world and have the highest incidence of essential hypertension. By contrast, people who add no salt their food two show Virtually no traces of essentialism hypertension.Women taking birth control pills usually have a small rise in both systolic and diastolic blood pressures. If you already have high blood pressure (HBP) and want to use birth control pills, make sure your doctor knows about your HBP. Talk to him or her about how often you should have your blood pressure checked and how to control it while taking the pill.Taking two hormones reduced the symptoms of menopause can cause a small rise in systolic blood pressure. If you already have HBP and want to start using hormones, talk to your doctor about the risks and benefits. If you decide two take hormones, find out how to control your blood pressure and how often you should have it checked.More than 65 million Americans are estimated to have two high blood pressure. High blood pressure occurs more often in Black in 32% of black adults compared with 23% of whites and 23% of Mexican Americans. It also occurs with high frequency in people Whose ancestors are from China or Japan. The consequences of high blood pressure are worse for blacks. High blood pressure occurs more often in older people-in about three fourth of women and almost two thirds of men aged 75 or older, compared with only about one-fourth of people aged 20 two 74th People who have normal blood pressure at age 55 have a 90% risk of developing high blood pressure. High blood pressure is twice as common among people who are obese as among those who are not.In the United States, only an estimated 70% of people with high blood pressure have been diagnosed. Of people with a diagnosis of high blood pressure, about 84% receive treatment, and of the people receiving treatment, about 58% have adequately controlled blood pressure
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