Why do Native Americans experience high rates of diabetes? A common theory is that they possess fat-hoarding "thrifty genes" left over from their ancestors - genes that were required for survival during ancient cycles of feast and famine, but that now contribute to the disease in a modern world of more fatty and sugary diets.
URL: http://www.news-medical.net/news/20120725/Insights-into-link-between-fat-hoarding-genes-and-ancient-diet.aspx
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