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Theme page 38. The heredity and frequency of the DSB

It's usual that at least one of the parents and most siblings have something connected with the vertigo. (Rahko) Thus, the DSB is strongly hereditary but the symptoms may be different and of different degree. There are families who may have a tendency to have similar symptoms due to similar physiological weaknesses in the sense of balance and elsewhere in the body, which may be worsened by even a minor DSB.

There is no systematic data or research done on the frequency of the DSB. The experiences of its treatment so far together with some existing statistics e.g. on the level of school achievement, risks of accident, national health and problems with mental health and their mutual dependencies can reveal some of the direct or indirect effects of the DSB. The differences between the sexes can also be seen in the neuro-psychological research on the development of children. In the results boys/men outnumber girls/women. (Valtonen)

It is obvious that most people have at least some DSB symptoms during their last years of life when muscles aren't able to adapt to the DSB anymore. On the other hand, the weakness of the muscles strains the sense of balance. It can be concluded from many phenomena discussed on these pages that the earlier in their lives people get issues with their mental and/or physical condition, well-being and health the worse their senses of balance have originally functioned.

The vital statistics of the Finnish population (1987– 2005) show that out of 932 299 people about 12.9 % (119 867 persons) died under the age of sixty. This proportion of the population obviously consists of people with weaker health and a greater risk of being injured severely. The division of their deaths between the months of the year was clearly related to the degree of disturbance caused by the Moon and the Sun in the magnetic field of Earth, which is known to influence the sense of balance.

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