A recent study published in the journal Nature reveals that the Hadza people of Tanzania and the Tsimane people of Bolivia, despite being separated by vast distances, share similar gut bacteria. This microbial kinship likely formed before their ancestors migrated apart. The research, based on stool samples, highlights that both groups’ microbiomes differ significantly from those of urban dwellers, suggesting that some gut bacteria have coexisted with humans for a long time, potentially benefiting both. The study raises concerns about the impact of losing these microbes due to modern lifestyles. While some scientists find the hypothesis intriguing, others caution that the industrialized microbiome might be adapted to contemporary living. Understanding what has been retained or lost in our gut bacteria is crucial for future health insights.
QUESTION: How might the loss of ancestral gut bacteria affect our health and lifestyle in the future?
Gut microbes followed migrating humans across continents, new study suggests
