According to a recent study, your chances of developing adult onset diabetes may depend on what kind of bacteria are living in your gut.  It’s been known for some time that type 2 diabetes can be caused by a combination of genetic and lifestyle factors; over the past few years, it’s become clear that these factors somehow interact with the microbiome, but the nature of this interaction and the microbiome’s role in determining susceptibility to diabetes hasn’t been properly explored.  Last year a team of scientists from Brazil published results showing that changes in the community composition could completely reverse the effect of genetic factors.
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