Individuals with different ancestral roots may thrive on different diets and exhibit distinct gut microbiome signatures.

“Could there be a genetic component? In other words, if we fast forward 10 years and we actually can make sense of all this human genome stuff, are we going to find that someone who has Scandinavian roots, or somebody who has South American roots, or somebody had descended from a different tribe, will do better on one particular diet versus another, and thereby, or I should say, and in parallel with that, that their gut microbiome will have different signatures that are...”