Gut Microbiome Insights

Justin discusses how the gut microbiome adapts to different cultural diets, highlighting the example of porphyrin metabolism in Southeast Asians versus Americans. He emphasizes the importance of dietary fiber, noting that hunter-gatherer populations, like the Haza, consume significantly more fiber than the average American. Despite their high fiber intake, the Haza prefer calorically dense foods like meat and honey, illustrating how availability shapes dietary choices.