The concept of a "healthy" gut microbiome is complex and not yet fully defined. Leading scientists say that there is no single metric to assess gut health, but that a higher diversity of microorganisms, resilience, and specific bacterial groups are associated with better health. It's not just about which bugs are present, but also what they're doing, and that a complex microbial community may be more important than individual "good" or "bad" microbes.
Original Article Source Link:
https://www.npr.org/2026/06/22/nx-s1-5863119/gut-microbiome-gut-health