In Dutch there is a saying “ieder pondje gaat door het mondje”, meaning that every pound of added weight is because of what you ate.  But as someone who can eat a lot without gaining weight, I know that this is not true for everyone. And it’s a question that has intrigued researchers in Israel: what causes these differences?

Initial results from their ongoing study of one thousand people suggest that foods high on GI (Glycaemic Index) do not necessarily cause a spike in blood sugar level, while “good” foods – which are low on GI – can in fact raise the blood sugar level. And it appears that the microbes in our gut – which are distinctly different from person to person – play an important role in controlling the way our bodies react.

So it seems we’re not just headed to an era of personalized health care, but also of personalized nutrition.

See for more: http://www.bbc.com/news/magazine-35193414

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