EUROMEDICA  Hanover 1-2  Juni 2007	Advanced methods of diagnosis, treatment and prophylactics
	European Academy of Natural Sciences, Hanover European Scientific Society, Hanover Russian Academy of Natural Sciences, Moscow

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According to modern generalizing works, in order to solve main medicine tasks of disease prevention and treatment and strengthening people’s health, we should make up for the gap between medicine, biology and psychology, and replace our multidiscipline knowledge for more holistic knowledge. Medical works today pay more attention to patients, and health of healthy or practically healthy people is overlooked by researchers. It is well-known that between health and illness there is a so-called “third state” and without doubts there are different levels of health in a healthy person.

According to modern ideas, man’s health is “...an opportunity of the organism …to adapt to changes in its environment…” In other words, health level is analyzed through the adaptation degree of this or that system or the whole organism. Many authors think that the condition of blood circulation system with its multi-level regulation is a universal indicator of an organism’s adaptation.

One of the factors determining adaptation processes are peculiarities of interhemisphere brain organization. However, the connection between peculiar interhemispheritic asymmetry and state of health, evaluated through adaptation processes, has not been studied systematically.

The obtained data allow us to state that the best vegetative regulation during rest occurs in the presence of left-handed signs in the individual lateral organization profile (lower values of heartbeat frequency, double production, vegetative index Kerdo and diastolic arterial pressure in left-handed male students). Heart rate analysis has shown that adaptation conditions in test persons may be estimated as satisfactory when left-handed signs occur, and in case of right-handed signs prevalence- as a tendency for strained adaptation mechanisms (higher values of strain index in right-handed people).

We have found different “physiological price” of adaptation to physical work in the persons with different lateral organization profile (LOP). The test persons with the signs of dominating right-hand hemisphere show more precise reaction of their cardiovascular system to graduated exercise on bicycle ergometer (lower values of blood circulation efficiency, double production index, vegetative index Kerdo and shorter restoration time), than people with the signs of prevailing left-hand hemisphere functions.

Main indices of organism spare capacities were studied – level of physical work capacity (PWC 170) and value of maximum oxygen consumption. It was shown that people with the left-handed signs in their individual LOP have a comparatively wide range of physiological spare capacities, a wider area of normal organism reactivity and, consequently, a better physical condition in general.

Explanation of the obtained data may be based on well-known ideas of tighter connection between right-hand hemisphere structures and diencephaliс brain sections that take greater part in vegetative and visceral processes regulation. These considerations agree with the data on smaller susceptibility to psychosomatic diseases in adaptation to difficult climate and geographic and industrial conditions in people with left-handed preferences in different systems.

Thus, the presented materials prove the existence of dependence between interhemisphere brain organization and some of physiological health indices in men. The detected interconnections consist in the fact that the presence of left-handed asymmetry signs in individual LOP is connected with optimal vegetative regulation of adaptation mechanisms as well and with higher physiological spare capacities in general.