In brief

April 2016   Comments

Nature and nurture at the kitchen table

New light is being shed on the way our genes and social environment interact to influence our food choices. In a study of 190 Canadian four-year-olds, published in JAMA Pediatrics, McGill researchers found that girls from low-income families who carried the 7-repeat variant of the DRD4 gene ate more fat than girls from the same background who were not carriers. In contrast, girls from wealthier families who carried this variant ate less fat than non-carrier girls from similar families. These gene effects were not seen in the boys in the study.


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