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Health and Stress Assessment
Stress has two major aspects: momentary stress and accumulative stress. Continuous increase of momentary stress leads to increase in long-term accumulative stress and health level.
Stress could be either physical, mental or both.
Physical stress is caused by long-term exposure to negative factors, such as: irregular lifestyle; physical overload; environmental toxicity; cigarettes; alcohol; drugs; improper diets, etc.
Mental stress can be caused by factors like: insecurity; negative emotions; mental overload; confusion; rejection on a social level; family problems; boredom; low self-esteem; etc.
This system is based on over three decades of profound scientific and medical researches of highly renowned medical professors and different scientific institutes.
Stress means different things to different people. In common language, people recognise a state of having too much expected of them, of being under pressure or strain, of being barely able to cope with some external demand which is both excessive and prolonged. It has a number of synonyms, but they all carry the connotation of unreasonable demands being placed on the individual in an emotional, mental or psychological sense.
A similar concept underlies the term stress in the physical sciences, a deforming force exerted on an object or structure that, if not resisted, would damage or destroy the object. The analogy is graphic and obvious. Scientists in the biological and health sciences also use stress in similar manner with subtle differences. They refer to environmental demands that affect an organism which, if not resisted, would damage or destroy it. It can also be applied to whole environmental systems. The common theme is an external factor that, if not resisted, would damage or destroy the system.
This Section describes the science and terminology relating to QLine's Stress Assessment. It clarifies how and why the body seeks homeostasis using the autonomic nervous system and why stress disrupts this process. It then describes how Heart Rate Variability (HRV) measurement can be used to indicate the degree of this disruption because of the relationship between HRV and autonomic nervous system balance.
In order to survive the body seeks to maintain a condition of balance or TequilibriumT within its internal environment, referred to as 'homeostasis', even when faced with external changes. A simple example of homeostasis is the healthy body's ability to maintain an internal temperature around 37 TdegreesT Centigrade whatever the temperature outside.
Central Nervous System
Homeostasis is controlled by the central nervous system, that portion of the nervous system consisting of the brain and spinal cord. It mediates the distribution of resources to and the functional state of organs in the body to deal with demands from the:
* Internal environment via the autonomic nervous system
* External environment via somatic sensory nerves
Why, in medical parlance, is stress therefore not universally measured, analyzed and treated? Why, indeed, has it often been denigrated or ignored or consigned to a fringe area of medicine? The answer is that doctors tend only to believe that which they can measure, observe and classify. It is this lack of physical presence, this inability to biopsy, photograph, probe or quantify which has led to stress not having been considered a part of conventional medicine for so long.
Despite the ignorance and disinterest that much of conventional medicine has shown to the study of stress, recent developments in physiology and bio-mathematics has led to increased insights into measuring the effects of stress on the body. This can also allow us to estimate not only the impact of stress on the body, but also how much reserve capacity is left to cope with further stress, whether it be physical stress (such as heat, cold or exercise) or psychological stress.