Genes and obesity: Fast food isn't only culprit in expanding waistlines -- DNA is also to blame

Tuesday, January 8, 2013 - 14:31 in Biology & Nature

Researchers say it's not just what you eat that makes those pants tighter -- it's also genetics. In a new study, scientists discovered that body-fat responses to a typical fast-food diet are determined in large part by genetic factors, and they have identified several genes they say may control those responses.

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