What is Blood Pressure?
Blood is circulated through the heart to all the parts of our body in blood vessels called Artery. Blood Pressure is the force exerted by the circulating blood on the walls of arteries. The measurement of blood pressure is recorded by two numbers, namely Systolic Pressure and Diastolic Pressure.
When the heart contracts and heart pumps out blood, the pressure remains highest and it is called systolic pressure. Between two heart beats, when heart is at rest, pressure is lowest and then diastolic pressure is measured. Actually the term, Blood pressure refers to arterial pressure, i.e the pressure of blood in large arteries and it’s value is recorded in millimetres of mercury (mmHg). Sphygmomanometer is the device used to measure blood pressure. The normal blood pressure of a full grown man is 120/80 mmHg.
What is High Blood Pressure?
When blood pressure is 140/90 or higher then it is considered as High blood pressure. It
is also called hypertension. It can lead to several heart diseases, heart failure, stroke, kidney failure and even brain damage.
What is the cause of hypertension?
There is no definite cause in 95%of the cases. Recent research says that the slight narrowing of the arteries increases the resistance for blood flowing, which may cause high blood pressure. Several other factors may contribute to it. Sometimes, certain hormones or kidney problems may cause hypertension.
How can blood pressure be controlled?
Blood pressure can be controlled or lowered by two ways.
1) Modification of lifestyle: That is acheived by losing excess body weight, regular physical activity (such as walking, swimming, cycling), intake of low salty diet, incorporation of fresh green vegetables in diet, giving up smoking habit and also cutting back on alcohol drinking.
2)Medication: Medication under the supervision of medical practitioner lowers the high blood pressure.
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