Helmholtz theory of accommodation
Helmholtz the theory of accommodation (N. of L. F. Helmholtz, the German physicist and the physiologist, 1821-1894) – the theory of the physiological mechanism of accommodation of an eye according to which against the background of reduction of a ciliary muscle increase of curvature of a crystalline lens and relaxation of a linking of a ciliary corbel (a tsinnovy sheaf) is noted.
Work which to the person not to liking, is much more harmful to his mentality, than lack of work in general.
Subfebrile temperature call fervescence to 38 degrees, and subfebrile condition - existence of such temperature from above...
Section: Articles about health
The nature does not stand stagnation and monotony. It is known that tissues of a human body atrophy if do not receive necessary loadings. It fully belongs also to a cerebral cortex: when it is not given full-time job, it begins to function worse. In резуль...
Section: Articles about health
Condition of lips (their morbidity, outward) – one of indicators of health of the person. The peeling, dryness, pallor, and also cracks in corners of a mouth can be not only the cosmetic shortcoming which arose owing to physical damages and weather conditions but also the satellite of some diseases and disturbances in an organism needing treatment. Let's consider 10 possible reasons of emergence of angular cracks (perleches) in corners of a mouth and ways of their elimination....
Section: Articles about health
The summer of this year in Russia was very ambiguous. Regions suffered from a merciless heat, from pouring rains, from times...
Section: Articles about health
Sometimes it seems that modern society was divided into two camps: representatives of the first are sure that only the woman has to be responsible for contraception, representatives of the second, respectively, are sure that it is destiny of men. Meanwhile Dov has a question of contraception...
Section: Articles about health
We present to yours the TOP of the medicamentous means exerting the stimulating impact on a potentiality, i.e. on ability of the man to commission of sexual intercourse. At once it is necessary to tell that not always disturbances of erectile function can be eliminated with reception of this or that drug. The reasons of decrease in a potentiality there can be a set, from banal overfatigue before tumoral process in a small basin therefore if the man faces similar problems too often, it should turn...
Section: Articles about health
Extracorporal fertilization – one of the most modern methods of controlling with infertility. So far it already helped znach...
Section: Articles about health
For residents of the countries of Southeast Asia various algas are an obligatory component of a daily diet. Their popularity is connected not only with high tastes, but also with numerous curative properties. Russians are a little familiar with...
Section: Articles about health
Phobia – the persuasive fear of a certain contents shown in a specific situation against the will of the person. Concepts of a phobia and fear are similar, however if the fear is natural protective function of mentality, then the phobia is its deviation. So the person can feel the unaccountable, baseless fear accompanied with neurotic symptoms (perspiration, a shiver, a fever) before any ordinary phenomenon – for example, a trip by the subway or a simple dog....
Section: Articles about health
Traveling all over the world, many try to try the most exotic dishes of national cuisines. Exists even so-called died away...
Section: Articles about health
Life expectancy in various regions of Earth is not identical. Social stability, economic wellbeing, availability and level of medical care, household comfort, literacy of the population in the field of observance sanitary гигиен exert impact on it...
Section: Articles about health
Any of us is not insured from a heavy illness of the loved one. Happens and so that someone from family members becomes the bed patient, and remains in such state for a long time. It extremely suppresses both the most injured, and all its house which life considerably changes....
Section: Articles about health
There is a lot of fans of beer in our country. Statistically, on each average Russian (including women and children) in...
Section: Articles about health
According to data of World Health Organization, the cataract is diagnosed almost for 7% of the population of Earth. The statistics of incidence is considered not full as at an initial stage the illness, as a rule, does not cause to the person of special inconveniences, and many having got sick...
Section: Articles about health
Antibiotics - - it is possible to call the chemical compounds suppressing growth of bacteria the break in the field of medicine which allowed to save mankind from many diseases incurable earlier: tuberculosis, plague, syphilis and many others. The contribution of drugs to rescue of people from epidemics of dangerous infections is huge, however at careless use antibiotics are capable to cause to an organism serious damage. Negative action can be shown in the form of easing of immunity, disturbance of balance of microflora in кишеч...
Section: Articles about health
The mankind knows that some toxins at intake in the minimum quantities have therapeutic effect...
Section: Articles about health
The drugs stopping or oppressing life activity of pathogenic microorganisms are widely applied in clinical practice from 40th years of the last century. Originally antibiotics were called only substances natural (animal, vegetable or микробног...
Section: Articles about health
Sugar - the digestible refined product which is not of special value for an organism of the modern person. The use of sugar in food is based rather on the psychological dependence caused by desire to indulge itself with something tasty, and further and the biological, caused need of an organism for glucose as a result of big emissions of insulin in blood. Such circulation of insulin and glucose with continuous increase in portions of sugar is rather offensive and can become the reason for a narusha...
Section: Articles about health
The pancreas performs two functions in a human body: release of enzymes without which digestion carbohydrate is impossible...
Section: Articles about health
The unpleasant feelings connected with spring breakdown are familiar almost to each of us. Often happens that in March-April on the person weakness leans: he suffers from drowsiness, complains of bad mood, loss of interest in life and failures in affairs....
Section: Articles about health
Use of medicinal plants in therapy is urgent today, more than ever. The drugs made of curative herbs cannot replace completely modern synthetic drugs, but their use becomes frequent serious help in simplification of a course of many illnesses and improvement of quality of life of chronic patients....
Section: Articles about health
It is difficult to revaluate importance of kidneys for an organism. These bodies not only perform work on purification of blood of decomposition products and выв...
Section: Articles about health
The phenomenon of improvement of a condition of the patients at administration of drugs who are not containing active agents, so-called effect of placebo is known long ago. At the end of the 18th century the American doctor Perkins began to treat people the "miracle" sticks made of a spl...
Section: Articles about health
Olive oil – the product capable to make a powerful contribution to health of the person if it includes it in the diet. The rich vitamin composition of oil does it by a product number one from many diseases including from deadly. Only two tablespoons of oil from olives in day prevent emergence of diseases of vessels and heart, cancer, problems with digestion, presenilation, a depression and many other illnesses which treatment would demand a lot of time and forces. Let's consider on...
Section: Articles about health
Quite large number of people adheres to the principles of vegetarian food. But how to be if in a family of vegetarians is д...
Section: Articles about health
They say that to ensure health and longevity of people it is obliged. Really, at competent approach to these questions, minimization of an adverse effect of many factors does not represent a special problem. Practically everyone has an opportunity to play sports...
Section: Articles about health
Physical activity is necessary for normal functioning of a human body. At a lack of the movement joints cease to function, muscles atrophy, cardiovascular activity is broken and the metabolism worsens. The modern city rhythm of life does not provide the person with an adequate exercise stress, additional - sport is necessary. Tedious tasks the huge number of the people having those or ин exists sport not all to liking, but also...
Section: Articles about health