By Mariya Sergeevna Tolgskaya, Zinaida Vasil’evna Gordon (auth.)
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Extra resources for Pathological Effects of Radio Waves
50A/m \ irradi ated 10 ~o chang~. 58 SECTION II In the medium wave band the difference between the gain in weight of the irradiated and control animals was not statistically significant. Consequently, the dynamics of the body weight, as an index of development of the animals, is to some extent dependent on the wave band of the radiation, The effect of radio waves on vascular tone in man and experimental animals has frequently been demonstrated. Without discussing in detail the responses arising in man to radio waves of different frequencies, it will suffice to mention that in the high-, ultrahigh-, and superhigh-frequency bands a hypotensive effect has been described in workers with radio frequency generators by investigators who have observed mainly vagotonic responses, with a tendency toward hypotension (Parin and Davydov, 1940, 1959; Osipov, 1953; Abrikosov, 1958; Sadchikova and Orlova, 1958; Orlova, 1960; Obrosov and Yasnogordoskii, 1961; Smurova, 1962).
200X; c) normal content of RNP in epidermis of skin and its derivatives after irradiation with decimeter waves. 160x. nerve fibrils of the skin were unchanged. Yet, at the same time, they were severely affected by exposure to centimeter and, in particular, to millimeter waves. This difference can be explained by the fact that millimeter waves are absorbed by the skin, and most of their effects are observed on the skin and its sensory nerve fibers (the other changes in the viscera are eVidently reflex in character).
Results obtained in the writers' laboratory indicate that the diencephalon is concerned in the response of the body to irradiation with radio waves. Zenina investigated brain potentials and showed that the effects of cardiazol, which evokes paroxysmal responses of diencephalic origin, are inhibited or totally suppressed by microwave irradiation. In this case it can be assumed that the action of the microwaves was to block particular areas of the diencephalon. Disturbance of hypothalamic activity after exposure to radio waves has also been observed when the effects of microwaves on specialized forms of appetite and electrolyte metabolism were studied in irradiated rats.