According to Oliver Fiehn, a metabolomics researcher at the University of California, Davis, people are much more than meets the eye. “We are not just human,” he said. “We are an ecosystem.” The ...

Changes in the way that humans live and eat have resulted in tremendous alterations in the gut microbiome, especially over the past few decades. These changes have been linked to increased rates of ...

After Russell Jordan sent a stool sample through the mail to the microbiome company Viome, his idea of what he should eat shifted. The gym owner in Sacramento, California, had always consumed large ...