And they even found bacteria that chefs use to make cheese, and ... there could also be an invader from the inside. We're talking about belly-button hernias. In the womb, the umbilical cord ...

And they even found bacteria that chefs use to make cheese, and ... there could also be an invader from the inside. We're talking about belly-button hernias. In the womb, the umbilical cord ...

“[We] can now predict which bacteria tend to be frequent and common in belly buttons,” lead researcher Robert Dunn, of North Carolina State University said in an interview for a PLOS ONE blog. “Gender ...