Medically reviewed by Amelia MacIntyre, DO An outie belly button is mainly a cosmetic issue and doesn't usually need treatment.Umbilical hernias are a common cause of outie belly buttons and may ...

One of the most intriguing body parts, explained. The belly button is a mysterious part of our bodies—and with a rise in midriff-baring fashion, navel tattoos, and belly button piercings, we can’t ...

Holly has a degree in Medical Biochemistry from the University of Leicester. Her scientific interests include genomics, personalized medicine, and bioethics.View full profile Holly has a degree in ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. (The Conversation) – Everyone has one, but ...

When it comes to body parts, the belly button doesn’t usually get much attention. Yet this often-overlooked little spot is a treasure trove of interesting details. Whether you've got an innie or an ...

Medically reviewed by Peter Weiss, MD Key Takeaways During pregnancy, your belly button might change from "innie" to "outie" ...

1. Why do I even have a belly button? Your belly button, or navel – clinically, your umbilicus – is the permanent scar left from where your umbilical cord connected your circulatory system, when you ...

(THE CONVERSATION) – Everyone has one, but you might not know much about it. Here biologist Sarah Leupen, who teaches human and comparative animal physiology, explains the ins and outs of belly ...