What Causes High Blood Pressure (primary hypertension)?
The causes of high blood pressure is not exactly known, but many risk factors are linked to high blood pressure, there are dozens of factors, but we emphasize 10 major risk factors, hope everybody can master these factors.
Risk factors are linked to high blood pressure
Obesity and Overweight:
There can be no argument about more than half of patients with high blood pressure are obese or overweight. Obese people needs more energy during physical activity, so the heart must pump more blood to the body to meet the body’s high demands. Moreover, fatter body is related to higher cardiac output and consequently raised blood pressure. Some studies show that the obesity and overweight effect on increase of blood pressure was higher than family history of high blood pressure. So weight loss is a critical factor to lowering blood pressure.
The age factor is closely related to the occurrence of high blood pressure, a male over 50 years of age or a women over 60 years of age, these people are more likely to develop high blood pressure, because the blood vessel in the body became stiffer and less elastic with age, which can raise blood pressure. Almost half of the people over the age of 65 have high blood pressure, this is a kind of geriatrics, so old people have high blood pressure is a very common phenomenon.
Long-term and excessive drinking will result in elevated blood pressure, which is one of the risk factors for high blood pressure. Because excessive drinking, will first result in a sharp decline in blood pressure, followed by a gradual rise, and the blood pressure will start to rise the following morning. The rise and fall in blood pressure will damage the blood vessel and thus result in arteriosclerosis.
There is obvious trend of family history of high blood pressure, which of maternal side (matrilinear inheritance) is more distinc.
High Salt (sodium) Diet:
Blood pressure is related to sodium intake, excessive consumption of sodium will cause blood volume increases and blood pressure rises. The daily salt intake should not exceed 5 grams (the equivalent of about one level teaspoon of salt, about 2000 mg of sodium), including seasoning and salt from snacks. For patients with high blood pressure, the daily salt intake should not exceed 3 grams (about 1200 mg of sodium).
Irascibility and Mental stress:
When a person is angry or mental strain, it will lead to a rise in blood pressure, but chronically elevated blood pressure can damage your blood vessels, this increases the risk of developing high blood pressure.
Lack of Exercises:
Lack of exercises may lead to accumulate too much fat and sodium in your body, because exercise burns off excess fat, this helps you lose weight.
Smoking can increase your blood pressure; in addition, the carbon monoxide and nicotine in tobacco can damage your vascular wall, which cause your arteries to narrow, lead to raised blood pressure. Second hand smoke can also make your blood pressure rise.
Consuming too much caffeine:
Caffeine is helpful to enhance mental performance and increase blood pressure. People with high blood pressure should keep limited intake of caffeine, such as coffee, strong tea, cola and so on, they contain a lot of caffeine. Especially when patients with elevated blood pressure are under great emotional tension, otherwise the blood pressure will be aggravated, because caffeine and emotional tension together lead to synergy. People with a family history of high blood pressure, also known as the high-risk population, usually show significant increase in blood pressure after the intake of caffeine.
Too little Potassium and Calcium in diet:
Potassium can prevent renal tubule from absorbing sodium, promote the excretion of sodium from the urine. In addition, Potassium intake will defend against the elevated blood pressure caused by excessive sodium; The intake of adequate calcium will increase natriuresis and mitigate the adverse effect of sodium on blood pressure. If low intake of potassium and calcium, which may accumulate too much sodium in your body.
Secondary hypertension is caused by an underlying disease such as kidney disease, renal arterial stenosis, adrenal tumors, sleep apnea syndrome, etc., this type of high blood pressure is called secondary hypertension. About 5%-10% of hypertension is secondary hypertension. Various diseases and drugs can cause this type of high blood pressure, such as:
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