Obesitas en magneetvelden

Bron: www.ncbi.nlm.nih.gov/pubmed/22844581 .

Sci Rep. 2012;2:540. doi: 10.1038/srep00540. Epub 2012 Jul 27.

A prospective study of in-utero exposure to magnetic fields and the risk of childhood obesity.

Li DK, Ferber JR, Odouli R, Quesenberry CP Jr.
Division of Research, Kaiser Foundation Research Institute, Kaiser Permanente, 2000 Broadway, Oakland, California 94612, USA. dkl@dor.kaiser.org

Abstract
We conducted a prospective study to examine whether in-utero exposure to magnetic fields (MFs) increases the risk of childhood obesity. Participating women carried a meter measuring MF levels during pregnancy and 733 of their children were followed up to 13 years to collect clinically recorded information on growth patterns with 33 weight measurements per child on average. Prenatal exposure to high MF level was associated with increased risk of being obese in offspring than those with lower MF level (odds ratio = 1.69, 95% confidence interval: 1.01-2.84). The association demonstrated a dose-response relationship and was stronger (more than 2.3 fold increased risk) among children who were followed up to the end of the study. The association existed only for persistent obesity, but not for transitory (unlikely) obesity. Maternal exposure to high MF during pregnancy may be a new and previously unknown factor contributing to the world-wide epidemic of childhood obesity/overweight.



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