Hypertension and the influence of the magnetic field (part 2)

In the first part of a series of articles " Hypertension and the influence of the magnetic field" we talked about the profile of people with hypertension, the factors affecting the high blood pressure and begin to analyze the mechanisms by which the body regulates the arterial pressure.
In the current article we analyze the mechanisms and causes of hypertension (high blood pressure).

Several hormones and active vascular substances with vasoconstriction and vasodilator effects participate in the general or local regulation of the arterial pressure and affect the high blood pressure (the hypertension). The catecholamines (adrenaline and nor-adrenaline) released from the kidney renin, which participates in the formation of the angiotensin, which has a powerful vasoconstrictor action. The hormone of the pituitary and the hormone of the adrenal glands are active vascular substances that help for increasing the arterial pressure and intensify the hypertension (the high blood pressure).
Many other substances - acetylcholine, histamine, prostaglandins and kinins have vasodilator effect and they affect the hypertension (high blood pressure) in reducing the arterial pressure.

Recent studies show that prolonged psychological stress, emotional conflicts on which we do not react, the constant mental strain due to stressful job or profession related to the noise and stress can lead to failure of the higher nerve centers, which regulate the blood pressure and cause hypertension (high blood pressure).
The mental strain should not be considered in isolation but in conjunction with many other factors that are also important for the appearance and development of hypertension (high blood pressure). The hereditary predisposition to the arterial hypertension (high blood pressure), smoking, sedentary lifestyle and obesity are considered as risk factors. In a considerable number of women suffering from hypertension (high blood pressure) the disease begins during the menopause - a period associated with emotional instability and changes in the functions of the endocrine glands.

An important factor for the high blood pressure (hypertension) is the insufficient physical activity. It is well known that the exercises have stimulating and trains effects on the organs of the blood circulation system and cardiovascular system. As a result of exercises the heart rate and stroke volume of the heart increase and there occurs expansion of arterioles and capillaries in the working muscle. As a result of this their vascular resistance decreases. During the physical exercises the systolic pressure (upper limit of the blood pressure) increase and the diastolic pressure (the lower limit of the blood pressure) reduce or remain close to its original value. The physically trained people have greater efficiency of metabolic processes and there is a possibility for fast and efficient mobilization of the reserves of blood circulation when needed. In practice, in exercising the pulse of trained people is increasing more smoothly, and its peak values are lower, which characterize the sustainable operation of the heart and it is prevention of the occurrence of hypertension (high blood pressure).

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