Probiotics have popped up in infant formulas, supplements ... because they may help maintain a good balance of bacteria in the digestive tract. You likely already have these good bacteria in ...

Finally, they created a statistical model to learn causal relationships, which showed that the primary way breastfeeding reduces asthma risk is through shaping the infant's microbiome.

The research also showed that a species of Bifidobacterium, a group of bacteria commonly found in both human milk and infant digestive tracts, was less abundant in milk from mothers who pumped.