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Sci Total Environ. 2010 Jul 15;408(16):3062-9. doi: 10.1016/j.scitotenv.2010.03.039. Epub 2010 May 7.

Exposure to electromagnetic fields (non-ionizing radiation) and its relationship with childhood leukemia: a systematic review.

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  • 1Laboratory of Medical Investigations, San Cecilio University Hospital, CIBER de Epidemiología y Salud Pública (CIBERESP), Spain.

Abstract

Childhood exposure to physical contamination, including non-ionizing radiation, has been implicated in numerous diseases, raising concerns about the widespread and increasing sources of exposure to this type of radiation. The primary objective of this review was to analyze the current state of knowledge on the association between environmental exposure to non-ionizing radiation and the risk of childhood leukemia. Scientific publications between 1979 and 2008 that include examination of this association have been reviewed using the MEDLINE/PubMed database. Studies to date have not convincingly confirmed or ruled out an association between non-ionizing radiation and the risk of childhood leukemia. Discrepancies among the conclusions of the studies may also be influenced by confounding factors, selection bias, and misclassification. Childhood defects can result from genetic or epigenetic damage and from effects on the embryo or fetus, which may both be related to environmental exposure of the parent before conception or during the pregnancy. It is therefore critical for researchers to define a priori the type and "window" of exposure to be assessed. Methodological problems to be solved include the proper diagnostic classification of individuals and the estimated exposure to non-ionizing radiation, which may act through various mechanisms of action. There appears to be an urgent need to reconsider exposure limits for low frequency and static magnetic fields, based on combined experimental and epidemiological research into the relationship between exposure to non-ionizing radiation and adverse human health effects.

PMID:
20451240
DOI:
10.1016/j.scitotenv.2010.03.039
[PubMed - indexed for MEDLINE]
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