Influence of 45-Hz Vertical Electric Fields on Growth, Food and Water Consumption, and Blood Constituents of Rats

Mathewson, N. S.; Oosta, G M; Oliva, Silvana; Levin, S. G.; Diamond, Sharon

doi:10.2307/3575175

Cited by 5 publications

(3 citation statements)

References 4 publications

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“…In chronic exposure of six generations of mice, corticosterone levels were significantly higher in exposed individuals at 10 kV/m EF. A low-frequency electric field up to 100 V/m does not appear to cause any observed effects in rats [354].…”

Section: Biological Effects Of Extremely-low-frequency Electrical Fieldsmentioning

confidence: 75%

Biological Effects of Magnetic Storms and ELF Magnetic Fields

Sarimov,

Serov,

Gudkov

2023

Biology

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Magnetic fields are a constant and essential part of our environment. The main components of ambient magnetic fields are the constant part of the geomagnetic field, its fluctuations caused by magnetic storms, and man-made magnetic fields. These fields refer to extremely-low-frequency (<1 kHz) magnetic fields (ELF-MFs). Since the 1980s, a huge amount of data has been accumulated on the biological effects of magnetic fields, in particular ELF-MFs. However, a unified picture of the patterns of action of magnetic fields has not been formed. Even though a unified mechanism has not yet been generally accepted, several theories have been proposed. In this review, we attempted to take a new approach to analyzing the quantitative data on the effects of ELF-MFs to identify new potential areas for research. This review provides general descriptions of the main effects of magnetic storms and anthropogenic fields on living organisms (molecular–cellular level and whole organism) and a brief description of the main mechanisms of magnetic field effects on living organisms. This review may be of interest to specialists in the fields of biology, physics, medicine, and other interdisciplinary areas.

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Section: Biological Effects Of Extremely-low-frequency Electrical Fieldsmentioning

confidence: 75%

Biological Effects of Magnetic Storms and ELF Magnetic Fields

Sarimov,

Serov,

Gudkov

2023

Biology

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“…For example, when I evaluated the effects of EMFs on body weight of animals, as reported in studies published between 1975-1995 [7], I found consistent, statistically significant effects on variance even though there was no consistent effect on the mean (Table 1) [5,[12][13][14]. Table 1.…”

Section: Biological Systemsmentioning

confidence: 88%

Nonlinearity in Biological Systems: How Can Physics Help?

Marino

Frilot

2003

Energy and Information Transfer in Biological Systems

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Physical theory can explain all events known to occur in the inanimate world. In stark contrast, theory cannot explain or predict any behavior in even the simplest living organisms. The reason living systems are essentially unpredictable is that their interactions with factors in the environment are governed by nonlinear dynamical laws. When appropriate analytical methods are employed, it is possible to routinely observe the nonlinear determinism manifested by biological systems. The present fashion in biology, which is to pursue the study of mechanisms but ignore the dynamical laws that drive them, is inadequate for approaching many significant scientific problems. To solve them it will be necessary to think like a physicist, that is to think in terms of mathematical laws that govern the system under consideration. But it is not a physicist rooted in the traditions of the past that is needed, where essentially all the objects of study and analysis were linear systems governed by equations directly traceable to the deep laws of physics. Physics in the context of biology must be reconceptualized so that probabilistic explanations and short-term predictions based on heuristic laws are seen as the ultimate obtainable goal.

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“…In addition to EMF exposure over successive generations, other exposure durations have been employed in previous studies, including conception to birth, conception to weaning, and specific intervals ranging from 1 mo to 1 yr (10,15,16,19,25,26,28). Largely negative effects on mean body weight were reported in these studies, but, again, that was not the case with variance ( Table 4).…”

Section: R1016mentioning

confidence: 94%

Different outcomes in biological experiments involving weak EMFs: is chaos a possible explanation?

Marino

1995

American Journal of Physiology-Regulatory, Integrative and Comp

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Reports of biological effects induced by electromagnetic fields (EMFs) are sometimes not confirmed in subsequent similar studies. It is possible that the fields in these studies were actually transduced by the biological systems and that the pattern of apparently conflicting results is not a valid inference but arises from the conceptual framework. The question was studied in connection with effects of EMFs on body weight of animals. Previous studies revealed no consistent effect on mean body weight, but reexamination of the data suggested that variance in body weight was consistently altered after long-term exposure. In the present study, 0.5 kV/m, 60 Hz, was applied continuously from conception to maturity in successive generations of mice; as hypothesized, mean body weight was not consistently affected but variance in body weight was altered. The occurrence of transduction can therefore be inferred from the effect on variance despite the absence of a consistent effect on the mean. These results and those from previous similar studies support an interaction model in which the observability of posttransduction biological changes in the mean is strongly dependent on the initial conditions, in analogy with the importance of initial conditions in fixing the final state in deterministic chaos. Thus, at least with regard to EMF effects on body weight, a change from a linear (dose-effect) to a nonlinear paradigm is sufficient to explain the anomalous pattern of some reported studies.

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Influence of 45-Hz Vertical Electric Fields on Growth, Food and Water Consumption, and Blood Constituents of Rats

Cited by 5 publications

References 4 publications

Biological Effects of Magnetic Storms and ELF Magnetic Fields

Biological Effects of Magnetic Storms and ELF Magnetic Fields

Nonlinearity in Biological Systems: How Can Physics Help?

Different outcomes in biological experiments involving weak EMFs: is chaos a possible explanation?

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