UCLA-led study finds that nearly one-third of beneficial bacteria in baby’s intestinal tract comes directly from mother’s milk.
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Paper link
Pannaraj PS
Li F Cerini C, et al. Association Between Breast Milk Bacterial Communities and Establishment and Development of the Infant Gut Microbiome. JAMA Pediatr. 2017;171(7):647–654. doi:10.1001/jamapediatrics.2017.0378