In women, eating more salt might change the balance of certain gut bacteria—lowering one type (Bacteroides) and raising another (Prevotella)—which could show up more clearly than other broader gut...

In women, the balance of certain gut bacteria at the genus level (like Bacteroides and Prevotella) changes more with salt intake than broader bacterial groups, suggesting it could be a better clue to how much sodium someone eats.

Eating a lot of salt might change the balance of gut bacteria in both people and mice, increasing certain types that could raise the risk of heart problems.