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Progressive Obesity in Female Rats from Synergistic Interactions between Drugs and Whole Body Application of Weak, Physiologically Patterned Magnetic Fields

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ABSTRACT
Prepubescent female rats treated with the atypical neuroleptic acepromazine but not ketamine, prazosin, or doxepin, after lithium/pilocarpine-induced seizures gradually became obese over their lifetimes if spontaneous seizures developed. Mild increases in weight gain were induced when prepuberal females were given pilocarpine and acepromazine while being exposed briefly (1.5 hr) to a frequency-modulated magnetic field known to induce seizures. Weekly (1.5 hr) exposures to physiologically-patterned magnetic fields over 36 wks had no effect on weight gain while continuous periseizure exposure to 50 Hz fields above about 1 μT facilitated mild weight gains and protracted aggression. Perinatal exposure to a very weak, a 7 Hz magnetic field or a nitric oxide inhibitor retarded the weight gain induced by the obesity procedure. These results indicate that synergisms during a single episode between neuronal electrical lability and pharmacological states can initiate a process of weight gain that progresses to extreme obesity. We suggest that at least a component of the global “epidemic of obesity” could be related to a synergism between the insidious emergence of amplitude modulations within biologically compatible electromagnetic frequencies from the proliferation of communication systems and the pervasive utilization of pharmacology to treat transient disorders of ontogeny within the human population.
 
Cite this paper
St-Pierre, L. and Persinger, M. (2014) Progressive Obesity in Female Rats from Synergistic Interactions between Drugs and Whole Body Application of Weak, Physiologically Patterned Magnetic Fields. Journal of Behavioral and Brain Science, 4, 268-283. doi: 10.4236/jbbs.2014.46028.
 
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