Contrary to popular belief, whole-grain bread might not be healthier for everyone. A new study has determined that whether white bread or whole-grain bread is healthier for you depends on the microbes in your gut. After studying 20 people for one week each, researchers found that some people’s blood sugar levels raised after eating standard white bread while others did not. Similarly, they found that some people’s blood sugar rose when eating standard whole grain bread. The researchers, Eran Elinav and Eran Segal, studied the mix of microbes in the stool samples as well as their genetic makeup.
This study is part of a growing group of studies that support personalized nutrition that is customized to your genetic makeup rather than a plan for everyone. The same group has also done other research in the nutrition field in Israel, where they studied how people respond to eating certain foods.
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