Thursday, February 28, 2013

Obesity, low vitamin D and bi-directional mendelian randomisation


Just when you think you cant sort out cause and effect in cross sectional data correlating low vitamin D levels with obesity  – along comes bi-directional mendelian randomisation in PLOS Medicine. Interesting, from a previous post,  that a big chunk of the Environmental Health 2013 conference is devoted to the mediation of  environmental exposures via genetic and epigenetic pathways.

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