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Power Engineering Review, IEEE

Issue 8 • Date Aug. 1992

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  • Sharpening the focus on EMF research

    Publication Year: 1992 , Page(s): 6 - 9
    Cited by:  Papers (2)
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (514 KB)  

    An overview is given of the issues that are emerging from studies of the possible health effects of exposure to electric and magnetic fields (EMFs). Chief among these is an apparent association between the incidence of leukemia in children and measures that characterize residential human exposures to magnetic fields according to the proximity, number, and size of power lines near homes, known as wire codes. Also receiving attention is the possible suppression of melatonin production as a mechanism linking EMF exposure and cancer. ERPI plans to sponsor the first laboratory studies to investigate whether magnetic fields suppress melatonin synthesis in humans are discussed.<> View full abstract»

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  • Biological magnets in the human brain-could magnetite mediate health effects of electromagnetic fields?

    Publication Year: 1992 , Page(s): 13 - 14
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (437 KB)  

    The isolation of microscopic crystals of the magnetic mineral magnetite from samples of human brain tissue is described. The studies show that the magnetite crystals could be moved around by magnetic fields only slightly stronger than the Earth's natural magnetic field. An extraction study revealed two types of magnetic crystals. Of 70 crystals examined, 62 had diameters of 10 to 70 nm, while the remaining eight had sizes ranging from 90 to 200 nm. SQUID magnetometer studies showed that the samples of human brain had the unmistakable signature of the ferromagnetic mineral magnetite.<> View full abstract»

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