Breast milk’s hidden microbial world: How bacteria shape infant immunity and long-term health
New research reveals breast milk contains distinct bacterial communities dominated by Bifidobacteria that directly seed infant gut microbiomes.
University of Chicago study of 507 samples documented 12 cases where identical bacterial strains appeared in both mother’s milk and infant gut.
Breast milk microbes produce metabolites like lactate and acetate that lower gut pH and train the developing immune system.
Maternal antibodies in breast milk regulate gut microbiota and host gene expression, promoting long-term intestinal health.
Understanding these mechanisms opens new pathways for preventing allergies and optimizing health in early life.
Read Full Article: https://www.naturalnews.com/2026-09-16-how-bacteria-shape-infant-immunity-long-term-health.html
