Our Gut Bacteria Change During the Day, Often Overlooked in Research

Research indicates another—broadly ignored—factor in gut microbiome composition: the time of day.

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The microbiome has proven difficult to study, becoming an area of intense interest among researchers. Studies often conflict or prove hard to replicate, and confounding variables make it hard to generalize findings.

Now a new study finds that even the time of day researchers look at the microbiome may significantly change its appearance.